forEach遍历数组
public class ArrayDemo{ public static void main(String args []){ int data [] = new int []{1,2,3,4,5};
for (int temp : data ){ System.out.println(temp); } }}循环打印二维数组
public class ArrayDemo{ public static void main(String args []){ int data [][] = new int [][] { {1,2,3,4,5},{1,2,3},{6,7,8,9} }; for(int x = 0; x < data.length; x++) { for(int y = 0; y <data[x].length; y++){ System.out.println("data["+x+"]["+y+"] = "+data[x][y]); } System.out.println(); } }}用forEach打印二维数组
public class ArrayDemo{ public static void main(String args []){ int data [][] = new int [][] { {1,2,3,4,5},{1,2,3},{6,7,8,9} }; for(int temp[]: data ){ for (int num : temp){ System.out.print(num+","); } System.out.println(); } }}