class Test2_For {
	public static void main(String[] args) {
		/*
		A:案例演示
		需求：求出1-10之间数据之和
		int abc = 0;
		for (int i = 1;i <= 10 ;i++ ) {
		abc = abc + i;
		System.out.println("计算中:" + abc);
		}
		System.out.println("和:" + abc);*/
		
		/*
		B:学生练习
		需求：求出1-100之间偶数和
		int abc = 0;
		for (int i = 1;i <= 100 ;i++ ) {
		if (i % 2 == 0) {
		abc = abc + i;
		}
		
		


		System.out.println("计算中:" + abc);
		}
		System.out.println("偶数和:" + abc);*/






/*需求：求出1-100之间奇数和
		*/

				int abc = 0;
		for (int i = 1;i <= 100 ;i++ ) {
		if (i % 2 != 0) {
		abc = abc + i;
		}
		
		


		System.out.println("计算中:" + abc);
		}
	}
}