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TA貢獻(xiàn)2條經(jīng)驗(yàn) 獲得超23個(gè)贊
String[][] names={{"tom","jack","mike"},{"zhangsan","lisi","wangwu"}};
??? /String[][] names={{"tom","jack","mike"},{"zhangsan","lisi","wangwu"}};
????? //首先假設(shè)二維數(shù)組是[i,j] ,i從0到2,j從0到2???????
// 通過二重循環(huán)輸出二維數(shù)組中元素的值
for (int i = 0; i <names.length; i++) {
???????????
for (int j = 0; j < names[i].length; j++) {
???????????????
System.out.println(names[i][j]);
}
???????????
System.out.println();
}????????????
// 通過二重循環(huán)輸出二維數(shù)組中元素的值
for (int i = 0; i <names.length; i++) {
??? //外層循環(huán),第一重???????
for (int j = 0; j < names[i].length; j++) {
????? //內(nèi)層循環(huán),第二重,i每+1,j? 從0執(zhí)行到i,因此執(zhí)行[0,0] ,[1,0],[1,1],[2,0],[2,1],[2,2],就把所有單位元素遍歷出來了
System.out.println(names[i][j]);
}
???????????
System.out.println();
}

TA貢獻(xiàn)3593條經(jīng)驗(yàn) 獲得超0個(gè)贊
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