java 二维数组赋值true

在Java中，可以使用循环来逐个赋值二维数组中的元素。例如，可以使用以下代码来赋值一个二维数组：

boolean\[\]\[\] arr = new boolean\[3\]\[3\];
for (int i = 0; i < arr.length; i++) {
    for (int j = 0; j < arr\[i\].length; j++) {
        arr\[i\]\[j\] = true;
    }
}

这段代码创建了一个3x3的二维布尔数组，并使用循环将每个元素赋值为true。你可以根据需要修改数组的大小和赋值的值。
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