sum100.java

来自「JAVA中输入10个数」· Java 代码 · 共 25 行

public class Sum100{
  public static void main(String args[]) {
    int sum,n;
    System.out.println("\n******for statemen*******");
    sum=0;
    for (int i=1;i<=100;i++)
    {sum+=i;}
    System.out.println("sum is"+sum);

    System.out.println("\n******while statemen******");
    sum=0;n=100;
    while(n>0)
    {sum+=n;n--;}
    System.out.println("sum is"+sum);
    
    System.out.println("\n******do while statemen******");
    sum=0;n=0;
    do
    {
    sum+=n;
    n++;
    }while(n<=100);
    System.out.println("sum is"+sum);
    }
}