//本人初识java,想设计一个简单的程序,请大家帮我看看我的程序应该怎么改!谢谢!
//程序思路:初始一个变量a,并赋值为2,通过一个函数(作用是2加一个动态值,
// 在本程序中是10),得出一个新值(在本程序中应该得出12),最后打印输出
import java.math.*;
public class EasyTest { int a = 2;
int c; public int EasyTest(int a, int c) {
this.a=a;
this.c=c;
}
public EasyTest addmath(m){
EasyTest e =new EasyTest();
e.c=e.a+m;
return e;
}
public void print() {
System.out.println(c);
} public static void main(String[] args) {
EasyTest e2 = addmath(10);
e2.print();
}
}
//程序思路:初始一个变量a,并赋值为2,通过一个函数(作用是2加一个动态值,
// 在本程序中是10),得出一个新值(在本程序中应该得出12),最后打印输出
import java.math.*;
public class EasyTest { int a = 2;
int c; public int EasyTest(int a, int c) {
this.a=a;
this.c=c;
}
public EasyTest addmath(m){
EasyTest e =new EasyTest();
e.c=e.a+m;
return e;
}
public void print() {
System.out.println(c);
} public static void main(String[] args) {
EasyTest e2 = addmath(10);
e2.print();
}
}
调用无参数的构造函数,但是已经被你覆盖掉了
解决方案如LS
int a = 2;
public int addmath(int m){
a+=m;
return a;
}
public void print(int m) {
System.out.println(addmath(m));
}
public static void main(String[] args) {
test t=new test();
t.print(20);
}
}
int a = 2; int c = 0; public EasyTest(int a, int c) {
this.a = a;
this.c = c;
} public EasyTest() { } public static EasyTest addmath(int m) {
EasyTest e = new EasyTest();
e.c = e.a + m;
return e;
} public void print() {
System.out.println(c);
} public static void main(String[] args) {
EasyTest e2 = addmath(10);
e2.print();
}
public class EasyTest {int a = 2;
int c;public int EasyTest(int a, int c) {
this.a=a;
this.c=c;
}
public static EasyTest addmath(m){//静态声明
EasyTest e =new EasyTest();
e.c=e.a+m;
return e;
}
public void print() {
System.out.println(c);
}public static void main(String[] args) {
EasyTest e2 = EasyTest.addmath(10);//通过类名访问
e2.print();
}
}
public class EasyTest { int a = 2; public static EasyTest addmath(int m) {//此处为什么必须要加上static????
EasyTest e = new EasyTest();
e.a += m;
return e;
} public void print() {
System.out.println(a);
} public static void main(String[] args) {
EasyTest e2 = addmath(10);
e2.print();
}
}