class TestNum{ //int a =30; //int b=20; //int e; public static void main(String[] args){ int c; c=10; c=20; c=30; double d=1.23; float f=1.23f; System.out.println(c); //System.out.println(a); System.out.println(d+f); } //System.out.println(c); }
by: 发表于:2017-07-13 10:57:51 顶(0) | 踩(0) 回复
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by: 发表于:2017-07-13 10:57:51 顶(0) | 踩(0) 回复
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