Java中打印數(shù)組時(shí)不想用for遍歷數(shù)組，可以試試下面幾種方法

https://foreti.me/2018/01/27/java-print-array/

ArrayList直接打印

ArrayList<Integer> list = new ArrayList<>();
list.add(1);
list.add(2);
list.add(3);
list.add(4);
System.out.println(list);

輸出

[1, 2, 3, 4]

Arrays類打印數(shù)組

java.util.Arrays的toString()方法

System.out.println(Arrays.toString(new int[] {1, 2, 3, 4}));

輸出

[1, 2, 3, 4]

Arrays類打印二維數(shù)組

java.util.Arrays的deeptoString()方法

System.out.println(Arrays.deepToString(new int[][] {{1, 2}, {3, 4}}));

輸出

[[1, 2], [3, 4]]

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