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in Technique[技术] by (71.8m points)

为什么输出的结果为4321?

Char  c[]={'1','2','3','4'}
for(int i=0;i<c.length/2;i++){
    char d=c[i];
    c[i]=c[c.length-(i+1)];
    c[c.length-(i+1)]=d;
}
for(int i=0;i<c.length;i++){
    System.out.println(c[i]);
}

为什输出的结果为4321?


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by (71.8m points)

循环两次,第一次1和4交换,第二次2和3交换


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