Java第三次作业
1:
package jkkj.ij.dfr;
import java.util.Scanner;
public class test1 {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input=new Scanner(System.in);
System.out.println("输入商品单价");
int dj=input.nextInt();
System.out.println("输入商品数量");
int sl=input.nextInt();
int sum=dj*sl;
System.out.println("商品总价是"+sum);
int hdj=sum*8/10;
System.out.println("商品活动价是"+hdj);
System.out.println("输入付款金额");
int fukuanjine=input.nextInt();
int zl=fukuanjine-hdj;
System.out.println("找零"+zl);
}
}
2:
package jkkj.ij.dfr;
import java.util.Scanner;
public class test2 {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input=new Scanner(System.in);
System.out.println("输入一个三位数");
int a=input.nextInt();
int b,c,d;
b=a/100;
System.out.println("百位上的数是"+b);
c=a/10%10;
System.out.println("十位上的数是"+c);
d=a%10;
System.out.println("个位上的数是"+d);
}
}
3:
package jkkj.ij.dfr;
import java.util.Scanner;
public class test3 {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("输入一个大写字母");
Scanner input=new Scanner(System.in);
char c=input.next().charAt(0); //输入字符
System.out.println("对应小写字母:"+(char)(c+32));
}
}
4:
package jkkj.ij.dfr;
import java.util.Scanner;
public class test4 {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input=new Scanner(System.in);
System.out.println("输入第一个数");
int a=input.nextInt();
System.out.println("输入第二个数");
int b=input.nextInt();
int c;
c=a>b?a:b;
System.out.println("最大值为"+c);
}
}