JAVA-while loop

JAVA-while loop

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while loop

public class Demo1 {
    
    
    public static void main(String[] args) {
    
    
        int i=0;
        int sum=0;
        while(i<100){
    
    
            i++;
            sum+=i;
        }
        System.out.println(sum);
    }
}

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do while loop

public class whileDemo2 {
    
    
    public static void main(String[] args) {
    
    
        int i=0;
        do{
    
    
            System.out.println(i);
            i++;
        }while(i<0);
    }

}