1:
for (int i = 0; i < 5; i++) { for (int j = 0; j < 5; j++) { if(i>=j){ System.out.print("* "); }else{ System.out.print(" "); } } System.out.println();
}
结果:
* * * * * * * * * * * * * * *
2:
for (int i = 0; i < 5; i++) { for (int j = 4; j >=0; j--) { if(i>=j){ System.out.print("* "); }else{ System.out.print(" "); } } System.out.println();}
结果:
* * * * * * * * * ** * * * *
3:
for (int i = 0; i < 5; i++) { for (int j = 0; j <5; j++) { if(i<=j){ System.out.print("* "); }else{ System.out.print(" "); } } System.out.println();}
结果:
* * * * * * * * * * * * * * *
