第五次Java作业

1.

package disizhou;

public class keye {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
int sum=0;
for(int i=100;i>1;i--){
if(i%3==0){
sum=sum+i;
}
}
System.out.println("0到100所有可能能被3整除的和为"+sum);

}

}

 

 

2.

package disizhou;

public class keshanzguoye {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
for(int i=1;i<9;i++){
if(i!=5)
System.out.println(i);
}
}

}

 

 3.

package disizhou;

import java.util.Scanner;

public class keye2 {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input=new Scanner(System.in);
System.out.println("输入一个数");
int n=input.nextInt();
int sum=1;
for(int i=1;i<=n;i++){
sum=sum*i;
}
System.out.println(sum);
}

}

 

4.

package disizhou;

import java.util.Scanner;

public class keye4 {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input=new Scanner(System.in);
System.out.println("输入分数");
int x=input.nextInt();
while(true){
if(x>100||x<0){
System.out.println("输入错误，重新输入");
x=input.nextInt();
}
else{
System.out.println("输入成功");
break;
}
}
}
}

 

 5.

package disizhou;

public class keye5 {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
double x=3000;
double sum=x;
for(int i=1;i<11;i++){
x=x+x*0.6;
sum=sum+x;
}
System.out.println("员工10年后的年薪为"+x+"员工10年的总收入为"+sum);
}

}

 

 作业1.

package disizhou;

 

public class zuoye1 {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub

int i=999;
while(i>100){
int g=i%10;
int s=i/10%10;
int b=i/100;
if(g*g*g+s*s*s+b*b*b==i)
System.out.println("水仙花数为"+i);
i--;


}

}

}

 

 2.

package disizhou;

import java.util.Scanner;

public class zuoye2 {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input=new Scanner(System.in);
System.out.println("输入年 月日");
int nian=input.nextInt();
int yue=input.nextInt();
int ri=input.nextInt();
int day,sum=0;
for(int i=1;i<yue;i++){
if(i==2){
if(nian%4==0&&nian%100!=0||nian%400==0){
day=29;
sum=sum+day;
}
else{
day=28;
sum=sum+day;
}
}
else if(i==4||i==6||i==9||i==11){
day=30;
sum=sum+day;

}
else{
day=31;
sum=sum+day;
}
}

sum=sum+ri;
System.out.println("这是今年的第"+sum);
}

}

 

 3.

package disizhou;

import java.util.Scanner;

public class zuoye3 {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner ipnut=new Scanner(System.in);
System.out.println("输入一个四位数");
int siweishu=ipnut.nextInt();
int qian,bai,shi,ge;
qian=siweishu/1000;
bai=siweishu/100%10;
shi=siweishu/10%10;
ge=siweishu%10;
System.out.println("反转数为"+ge+shi+bai+qian);
}

}