for (int i = 1; i <= 10; i++) {
// 每次循环时累加求和
sum = sum + i;
// 判断累加值是否大于20,如果满足条件则退出循环
if ( sum>20 )
break;}
System.out.print("当前的累加值为:" + sum);
// 每次循环时累加求和
sum = sum + i;
// 判断累加值是否大于20,如果满足条件则退出循环
if ( sum>20 )
break;}
System.out.print("当前的累加值为:" + sum);
2021-10-24
public class HelloWorld {
public static void main(String[] args) {
int age=25;
if(age>=18){
System.out.println("成年");
}else{
System.out.println("未成年");
public static void main(String[] args) {
int age=25;
if(age>=18){
System.out.println("成年");
}else{
System.out.println("未成年");
2021-10-23
public class HelloWorld {
public static void main(String[] args) {
int age=25;
if (age>60) {
System.out.println("老年");
} else if (age>40) {
System.out.println("中年");
} else if (age>18) {
System.out.println("少年");
} else {
System.out.println("童年");
}
}
public static void main(String[] args) {
int age=25;
if (age>60) {
System.out.println("老年");
} else if (age>40) {
System.out.println("中年");
} else if (age>18) {
System.out.println("少年");
} else {
System.out.println("童年");
}
}
2021-10-23
public class HelloWorld {
public static void main(String[] args) {
int one = 20 ;
if(one%2==0)
System.out.println("one是偶数");
}
}
public static void main(String[] args) {
int one = 20 ;
if(one%2==0)
System.out.println("one是偶数");
}
}
2021-10-21
public class HelloWorld{
public static void main(String[] args) {
int score=68;
String mark =(68>60)?"合格":"不合格";
System.out.println("考试成绩如何:"+mark);
}
}
public static void main(String[] args) {
int score=68;
String mark =(68>60)?"合格":"不合格";
System.out.println("考试成绩如何:"+mark);
}
}
2021-10-21
System.out.println((a&&b)+"通过");
System.out.println((a||d)+"通过");
System.out.println((c^b)+"通过");
System.out.println((!a)+"通过");
}
}
执行不了
System.out.println((a||d)+"通过");
System.out.println((c^b)+"通过");
System.out.println((!a)+"通过");
}
}
执行不了
2021-10-21
public class HelloWorld{
public static void main(String[] args) {
String city = "沈阳";
System.out.println("我的家乡在:"+city);
}
}
public static void main(String[] args) {
String city = "沈阳";
System.out.println("我的家乡在:"+city);
}
}
2021-10-18
String name="爱慕课";
char sex='男';
int num=18;
double price=120.5;
boolean isOK =true;
char sex='男';
int num=18;
double price=120.5;
boolean isOK =true;
2021-10-18