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1.例3.7 100~200之间全部素数 package bgio; public class cjava { public static void main(String[]args) { int m,k,i,n=0; boolean prime; for(m=101;m<=200;m=m+2) 阅读全文
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例3.4. package bgio; public class cjava { public static void main(String[]args) { int i=1; int sum=0; while(i<=100) { sum=sum+i; i++; } System.out.prin 阅读全文
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1.2.1 public class cjava { public static void main(String[]args) { int a,b; a='A'; b='B'; System.out.println("a="+a+"b="+b); } } 2.2 public class cjav 阅读全文