1.
package asd;
import java.util.Scanner;
public class cc {
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("请输入");
Scanner s = new Scanner(System.in);
int x= s.nextInt();
if(x==1 || x==5 || x==10) {
System.out.println("x="+x);
}else {
System.out.println("x=none");
}
}
}
2.
package asd;
import
java.util.Scanner;
public class cc{
public
static
void
main(String[] args) {
// TODO Auto-generated method stub
Scanner input =
new
Scanner(System.in);
System.out.print(
"请输入一个数字:"
);
int
i = input.nextInt();
switch
(i){
case
1
:
System.out.println(
"x="
+i);
break
;
case
5
:
System.out.println(
"x="
+i);
break
;
case
10
:
System.out.println(
"x="
+i);
break
;
default
:
System.out.println(
"x=none"
);
break
;
}
}
}
3.
package asd;
import java.util.Scanner;
public class cc {
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("请输入");
Scanner s = new Scanner(System.in);
int x= s.nextInt();
if(x%5==0&&x%6==0) {
System.out.println("能被5和6整除");
}else if(x%5==0&&x%6!=0) {
System.out.println("能被5整除");
}else if(x%6==0&&x%5!=0) {
System.out.println("能被6整除");
}else if(x%5!=0&&x%6!=0) {
System.out.println("不能被5或6整除");
}
}
}
4.
package asd;
import java.util.Scanner;
public class cc {
public static void main(String[] args){
Scanner sc=new Scanner(System.in);
System.out.println(" 输入分数:");
Scanner input = new Scanner(System.in);
int x=input.nextInt();
if(x<0||x>100){
System.out.println("无效");
}else if(x>=90){
System.out.println("A");
}else if(x>=80){
System.out.println("B");
}else if(x>=70){
System.out.println("C");
}else if(x>=60){
System.out.println("D");
}else if(x<60){
System.out.println("E");
}
}
}
5.
package asd;
import java.util.Scanner;
public class cc {
public static void main(String[] args) {
Scanner input=new Scanner(System.in);
System.out.println("输入x的值");
int x=input.nextInt();
System.out.println("输入y的值");
int y=input.nextInt();
System.out.println("输入z的值");
int z=input.nextInt();
if(x>y&&y>z){
System.out.println("输出"+z+","+y+","+x);
}else if(y>x&&x>z){
System.out.println("输出"+y+","+z+","+x);
}else if(z>x&&x>y){
System.out.println("输出"+y+","+x+","+z);
}else if(y>z&&z>x){
System.out.println("输出"+x+","+z+","+y);
}else if(x>z&&z>y){
System.out.println("输出"+y+","+z+","+x);
}else if(z>y&&y>x){
System.out.println("输出"+x+","+y+","+z);
}
}
}