for (int i = 1; i <= 10; i++) {
// 每次循環(huán)時(shí)累加求和
sum = sum + i;
// 判斷累加值是否大于20,如果滿足條件則退出循環(huán)
if ( sum>20 )
break;}
System.out.print("當(dāng)前的累加值為:" + sum);
// 每次循環(huán)時(shí)累加求和
sum = sum + i;
// 判斷累加值是否大于20,如果滿足條件則退出循環(huán)
if ( sum>20 )
break;}
System.out.print("當(dāng)前的累加值為:" + 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是偶數(shù)");
}
}
public static void main(String[] args) {
int one = 20 ;
if(one%2==0)
System.out.println("one是偶數(shù)");
}
}
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("考試成績?nèi)绾危?quot;+mark);
}
}
public static void main(String[] args) {
int score=68;
String mark =(68>60)?"合格":"不合格";
System.out.println("考試成績?nèi)绾危?quot;+mark);
}
}
2021-10-21
System.out.println((a&&b)+"通過");
System.out.println((a||d)+"通過");
System.out.println((c^b)+"通過");
System.out.println((!a)+"通過");
}
}
執(zhí)行不了
System.out.println((a||d)+"通過");
System.out.println((c^b)+"通過");
System.out.println((!a)+"通過");
}
}
執(zhí)行不了
2021-10-21