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package
本章总结;
public
class
A02class {
int
num1,num2;
public
String showA(){
return
num1+
"+"
+num2+
"="
+(num1+=num2);
}
public
String showB(){
return
num1+
"-"
+num2+
"="
+(num1-=num2);
}
public
String showC(){
return
num1+
"×"
+num2+
"="
+(num1*=num2);
}
public
String showD(){
return
num1+
"÷"
+num2+
"="
+(num1/=num2);
}
}
package
本章总结;
import
java.util.Scanner;
public
class
A02 {
public
static
void
main(String[] args) {
// TODO Auto-generated method stub
A02class A02 =
new
A02class();
Scanner in =
new
Scanner(System.in);
System.out.println(
"请输入一个整数"
);
A02.num1 = in.nextInt();
System.out.println(
"请输入运算符号(+ - * / ):"
);
char
Operator = in.next().charAt(
0
);
System.out.println(
"请输入一个整数:"
);
A02.num2 = in.nextInt();
switch
(Operator) {
case
'+'
:
System.out.println(A02.showA());
break
;
case
'-'
:
System.out.println(A02.showB());
break
;
case
'*'
:
System.out.println(A02.showC());
break
;
case
'/'
:
System.out.println(A02.showD());
break
;
default
:
System.out.println(
"输入有误!重新输入:"
);
A02 A =
new
A02 ();
A.main(
null
);
break
;
}
}
}
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本文转自 Y幕徐 51CTO博客，原文链接:http://blog.51cto.com/765133133/1426431
