{"id":137950,"date":"2020-07-21T12:38:47","date_gmt":"2020-07-21T04:38:47","guid":{"rendered":"http:\/\/4563.org\/?p=137950"},"modified":"2020-07-21T12:38:47","modified_gmt":"2020-07-21T04:38:47","slug":"%e7%aa%81%e5%8f%91%e5%a5%87%e6%83%b3%e9%97%ae%e4%b8%80%e4%b8%aa-java-%e7%9a%84%e4%b8%80%e4%b8%aa%e5%b0%8f%e5%b0%8f%e5%b0%8f%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=137950","title":{"rendered":"\u7a81\u53d1\u5947\u60f3\u95ee\u4e00\u4e2a Java \u7684\u4e00\u4e2a\u5c0f\u5c0f\u5c0f\u95ee\u9898"},"content":{"rendered":"
\n
\n
\n

\u7a81\u53d1\u5947\u60f3\u95ee\u4e00\u4e2a Java \u7684\u4e00\u4e2a\u5c0f\u5c0f\u5c0f\u95ee\u9898 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : whatCanIDoForYou <\/span> <\/i> 4<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\/**
*
* \u4e24\u4e2a\u6570\u4e0d\u80fd\u540c\u65f6\u4e3a\u5076\u6570
* \u5206\u6bcd\u548c\u5206\u5b50 \u53d6\u503c\u8303\u56f4\u5728[1-20]
* @param args
*\/
public static void main(String[] args) {
for (int i = 1; i <= 20; i++) {
int first = i;
for (int j = 1; j <= 20 ; j++) {
int second = j;
\/\/\u5982\u679c\u540c\u65f6\u4e3a\u5076\u6570\uff0c\u5219\u8df3\u51fa\u672c\u6b21\u5faa\u73af
if((first%2 == 0) && (second%2==0) )
continue;
System.out.println(“\u9996\u5f53\u5176\u51b2\uff1a”+first +”\u9000\u800c\u6c42\u6b21\uff1a”+ second +”,\u7ed3\u679c\u7b49\u4e8e”+ String.format(“%.3f”, first \/ new Double(second)));
}
} <\/div>\n
\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (21<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : whatCanIDoForYou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5982\u679c\u60a8\u7ee7\u7eed\u5f80\u4e0b\u8bfb\u53ef\u80fd\u6d6a\u8d39\u4f60\u7684\u65f6\u95f4\uff08\u60a8\u7406\u89e3\u7684\uff09\uff0c\u5f53\u7136\u975e\u5e38\u671f\u5f85\u60a8\u7684\u56de\u590d\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : whatCanIDoForYou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0a\u9762\u90a3\u4e2a\u65b9\u6cd5\u5b9e\u73b0\u4e86\u4e24\u4e2a\u975e\u5076\u6570\u7684\u5224\u65ad\u3002\u4f46\u662f\u6211\u7a81\u7136\u60f3 \u6211\u80fd\u4e0d\u80fd\u4e0d\u5199\u90a3\u4e24\u53e5 if \u5224\u65ad\uff0c\u52a0\u4e00\u4e9b\u903b\u8f91\u8fd0\u7b97\u7b26 \u5728\u7b2c\u4e8c\u4e2a for \u5faa\u73af\u53bb\u5224\u65ad\u3002
    \u5982\u679c\u5b9e\u73b0\u4e86 \u6211\u89c9\u5f97\u5c31\u6bd4\u8f83 B \u683c\u9ad8 \u54c8\u54c8\u54c8\u54c8
    \u5728\u5c1d\u8bd5\u3002
    \u4e5f\u8bf7\u5927\u5bb6\u5e2e\u5fd9\u60f3\u4e0b\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : pushback <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    for (int i = 1; i <= 20; i++)
    for (int j = 1; j <= 20; j++)
    if ((i + j) % 2 ==0)
    continue;
    \u7136\u540e\u600e\u4e48\u4f18\u5316\uff0c\u7ec6\u8bf4\u5583 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : whatCanIDoForYou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @pushback #3 \u5c31\u662f\u6ca1\u6709\u60f3\u597d\u600e\u4e48\u4f18\u5316\uff0c\u53ea\u662f\u7a81\u53d1\u5947\u60f3\u4e0d\u60f3\u5199\u8fd9\u4e24\u884c \u5224\u65ad \u80fd\u4e0d\u80fd\u5728 \u7b2c\u4e8c\u4e2a for \u4e2d \u4f7f\u7528 && \u89e3\u51b3 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : whatCanIDoForYou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @pushback #3 \u800c\u4e14\u4f60\u8fd9\u4e2a + \u7684\u5224\u65ad \u4e5f\u4e0d\u4e2d\u554a \u94c1\u5b50 \u4e24\u4e2a\u5947\u6570\u4e5f\u8df3\u8d70\u4e86~~ <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : pushback <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u54e6\u54e6\uff0c\u6ca1\u5ba1\u9898 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Vegetable <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    first \u662f\u5947\u6570\u65f6\uff0c\u7b2c\u4e8c\u5c42\u5faa\u73af\u6574\u4e2a\u5c31\u662f\u6d6a\u8d39\u7684\uff0c \u4e0d\u5e94\u8be5\u5728\u8f93\u51fa\u524d\u5224\u65ad\u3002
    \u5176\u6b21\uff0c\u4f60\u53ef\u4ee5\u76f4\u63a5 for int i=2;i<=20;i+=2 \u8bbe\u7f6e\u6b65\u957f\u4e3a 2 \u8df3\u8fc7\u5947\u6570\u3002
    \u6700\u540e\uff0c\u5728 for \u5faa\u73af\u5f53\u4e2d\u76f4\u63a5\u5224\u65ad\u597d\u50cf\u662f\u4e0d\u884c\u7684\uff0c <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : whatCanIDoForYou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Vegetable #7 \u53ef\u80fd\u662f\u6211\u6ca1\u6709\u8868\u8ff0\u592a\u6e05\u695a\u54e6 \u62b1\u6b49\u3002 \u4e0d\u8bba\u5947\u6570\u8fd8\u662f\u5076\u6570\u90fd\u662f\u8981\u4f7f\u7528\u7684\uff0c\u4f46\u662f \u5728\u4f7f\u7528\u4e24\u4e2a\u6570\u7684\u65f6\u5019\u4e0d\u80fd\u540c\u65f6\u4e3a\u5076\u6570\u3002\u518d\u6b21\u62b1\u6b49 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : pushback <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Vegetable \u5982\u679c\u8fd9\u4e24\u4e2a\u6570\u7ec4\u662f\u4e0d\u89c4\u5219\u6570\u7ec4\uff0c\u6b65\u957f\u4e5f\u662f\u4e0d\u80fd\u56fa\u5b9a\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : remiver <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    ((i | j) & 1) > 0 \u8fd9\u79cd? <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Vegetable <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @whatCanIDoForYou #8 \u662f\u6211\u6ca1\u770b\u6e05\u695a.
    \u4e0d\u80fd\u540c\u65f6\u4e3a\u5076\u6570\u7684\u8bdd\uff0c\u4e24\u4e2a\u6570\u4e8c\u8fdb\u5236\u6700\u540e\u4e00\u4f4d\u5fc5\u987b\u6709\u4e00\u4e2a 1\uff0c\u6240\u4ee5 1&(first|second)==1,\u8fd9\u4e2a\u5012\u662f\u80fd\u901a\u8fc7\u4f4d\u8fd0\u7b97\u5224\u65ad <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : lllue <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    for (int i = 0; i < 20; i++) {
    int first = i+1;
    for (int j = 0; j < 20 ; j=j+1+i%2) {
    int second = j+1;
    \/\/\u5982\u679c\u540c\u65f6\u4e3a\u5076\u6570\uff0c\u5219\u8df3\u51fa\u672c\u6b21\u5faa\u73af
    System.out.println(“\u9996\u5f53\u5176\u51b2\uff1a”+first +”\u9000\u800c\u6c42\u6b21\uff1a”+ second +”,\u7ed3\u679c\u7b49\u4e8e”+ String.format(“%.3f”, first \/ new Double(second)));
    }
    } <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : pushback <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \/\/ scope 1~20
    int[] moArr = {19, 2, 3, 5, 6, 8, 15, 20, 1};
    int[] deArr = {6, 7, 3, 2, 12, 18, 11, 19, 9};
    for (int i = 0; i < moArr.length; i++) {
    int mo = moArr[i];
    for (int j = 0; j < deArr.length; j++) {
    int de = deArr[j];
    {continue;}
    }
    }
    for \u7b2c\u4e8c\u6bb5\u662f end \u6761\u4ef6\uff0c\u4f60\u8981\u5728\u91cc\u9762\u8fdb\u884c continue,\u6709\u70b9\u9a9a <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : whatCanIDoForYou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @remiver #10 \u54c8\u54c8\u54c8\u54c8\u54c8 \u6211\u5bf9\u4e8e\u8fd9\u4e9b\u5947\u6570\u8fd8\u6709\u70b9\u61f5\uff0c\u6211\u9a8c\u8bc1\u4e86 \u544a\u8bc9\u60a8<\/p>\n

    @Vegetable #11 \u5947\u6570\u548c\u5947\u6570 \u7684\u60c5\u51b5\u5462 \u597d\u50cf\u6ca1\u6709\u8003\u8651\u5466
    @lllue #12 \u5389\u5bb3\u5389\u5bb3 \u5b66\u4e60\u4e86 \u8c22\u8c22\u60a8
    @pushback #13 \u563f\u563f \u8fd9\u4e2a\u4ec5\u4ec5\u662f\u8df3\u8fc7\u5f53\u524d\u4e0d\u7b26\u5408\u6761\u4ef6 \u4e0b\u9762\u8be5\u5e72\u561b\u5e72\u561b\u7684\u3002 \u60a8\u8fd9\u6bb5\u4ee3\u7801\u6ca1\u6709\u5b9e\u73b0\u6211\u7684\u9700\u6c42\u54e6 <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Vegetable <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @whatCanIDoForYou #14 \u5947\u6570\u548c\u5947\u6570\u4e5f\u662f\u7684\uff0c\u4e24\u4e2a\u5947\u6570\u76f8\u5f53\u4e8e(1 or 1) and 1,\u7ed3\u679c\u4e5f\u662f 1 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : pushback <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @whatCanIDoForYou \u6ca1\u6709\uff0c\u6211\u53ea\u662f\u91cd\u65b0\u7f57\u5217\u4e86\u4e00\u4e0b\uff0c\u4e0a\u9762\u8bf4\u6309\u6b65\u957f\u7684\u60c5\u51b5\u5728\u4e71\u5e8f\u6570\u7ec4\u91cc\u9762\u4e0d\u9002\u7528 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : cigarzh <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    for (int j = 1; j <= 20 ; j=j+((~(i&1)&j&1)==1?2:1)) {<\/p>\n

    \u521d\u59cb\u5316\u7684 ij \u4e0d\u80fd\u90fd\u4e3a\u5076\u6570 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : msg7086 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u4e0d\u662f B \u683c\u9ad8\uff0c\u8fd9\u5c5e\u4e8e\u4ee3\u7801\u6df7\u6dc6\uff0c\u628a\u539f\u672c\u601d\u8def\u6e05\u6670\u7684\u4ee3\u7801\u6539\u5199\u6210\u4e00\u4e2a\u661f\u671f\u540e\u7684\u81ea\u5df1\u4e5f\u770b\u4e0d\u61c2\u7684\u4ee3\u7801\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : whatCanIDoForYou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Vegetable #15 \u5b66\u4e60\u529b\u4e00\u6ce2 \u4e86\u89e3\u4e86 \u8c22\u8c22\u60a8 \u54c8\u54c8\u54c8\u54c8\u54c8\u54c8<\/p>\n

    @msg7086 #18 \u5bf9\u7684\uff0c\u5c31\u662f \u65e0\u804a\u73a9\u4e00\u73a9 \u56de\u5fc6\u56de\u5fc6\u57fa\u7840\u7684\u5c0f\u7f8e\u597d <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : superJava <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    public static void main(String[] args) {
    IntStream.range(1, 20).forEach(i -> {
    IntStream.range(1, 20).filter(j -> !(i % 2 == 0 && j % 2 == 0)).forEach(j -> {
    System.out.println(“\u9996\u5f53\u5176\u51b2\uff1a” + i + “\u9000\u800c\u6c42\u6b21\uff1a” + j + “,\u7ed3\u679c\u7b49\u4e8e” + String.format(“%.3f”, i \/ new Double(j)));
    });
    });
    } <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : whatCanIDoForYou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @superJava #20 1.8 \u65b0\u7279\u6027 good \u8c22\u8c22\u60a8~ <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u7a81\u53d1\u5947\u60f3\u95ee\u4e00\u4e2a Java \u7684\u4e00\u4e2a\u5c0f…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/137950"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=137950"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/137950\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=137950"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=137950"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=137950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}