package zaiyang.struct; public class WhileDemo01 { public static void main(String[] args) { //输出1~100 int i = 0; while (i<100){ i++; System.out.println(i); } } }
package zaiyang.struct; public class WhileDemo02 { public static void main(String[] args) { //计算1+2+3+4+...+100=? int i = 0; int sum = 0; while (i<=100){ sum = sum + i; i++; } System.out.println(sum); } }