public static void main(String[] args) { int c0=0, c1=0, c2=0; for(int x=1; x< =20; x++) { switch(x%3) { case 0: c0++; break; case 1: c1++; break; case 2: c2++; break; } } System.out.println("c0,c1,c2="+c0+","+c1+","+c2); } 程序运行的结果是:c0,c1,c2=()
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