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public class Test { public static void main(String[] args) { //控制行 for (int i = 0; i < 5; i++) { //控制列 for (int j = 0; j <=i; j++) { //

public class Test { public static void main(String[] args) { //控制行 for (int i = 0; i //控制列 for (int j = 6; j >i; j--) { //按列输出 System.out.print(" "); } for (int j = 0; j //按列输出 System.out