下面这段代码怎么简化?
for (int i = 0; i < 3; i++) { System.out.println(i); for (int j = 0; j < 4; j++) { if (j==0) { System.out.println("第"+(j+1)+"个"); }else if(j==1){ System.out.println("第"+(j+1)+"个"); }else if(j==2){ System.out.println("第"+(j+1)+"个"); }else if(j==3){ System.out.println("第"+(j+1)+"个"); } } }for(int i=0,i<12,i++){ if(i%4==0) console.writeline((int)(i/4)); console.writeeline((int)(i%4)+1);}