笔试题 Overloading in Java
Question 1 以下程序的输出结果为( )。
public class Test {
public int getData() {
return 0;
}
public long getData() {
return 1;
}
public static void main(String[] args) {
Test obj = new Test();
System.out.println(obj.getData());
}
}
a) 1
b) 0
c) Runtime error
d) Compilation error
参考答案
```
d
```
Question 2 以下程序的输出结果为( )。
public class Test {
public int getData(String temp) throws IOException {
return 0;
}
public int getData(String temp) throws Exception {
return 1;
}
public static void main(String[] args) {
Test obj = new Test();
System.out.println(obj.getData("GFG"));
}
}
a) 0
b) 1
c) Compilation error
d) Runtime error
参考答案
```
c
```
Question 3 以下程序的输出结果为( )。
public class Test {
private String function() {
return ("GFG");
}
public final static String function(int data) {
return ("GeeksforGeeks");
}
public static void main(String[] args) {
Test obj = new Test();
System.out.println(obj.function());
}
}
a) Compilation error
b) Runtime error
c) GFG
d) None of these
参考答案
```
c
```
Question 4 以下程序的输出结果为( )。
public class Test {
private String function(String temp, int data) {
return ("GFG");
}
private String function(int data, String temp) {
return ("GeeksforGeeks");
}
public static void main(String[] args) {
Test obj = new Test();
System.out.println(obj.function(4, "GFG"));
}
}
a) GFG
b) GeeksforGeeks
c) Compilation error
d) Runtime error
参考答案
```
b
```
Question 5 以下程序的输出结果为( )。
public class Test {
private String function(String temp, int data, int sum) {
return ("GFG");
}
private String function(String temp, int data) {
return ("GeeksforGeeks");
}
public static void main(String[] args) {
Test obj = new Test();
System.out.println(obj.function("GFG", 0, 20));
}
}
a) GFG
b) Compilation error
c) Runtime error
d) GeeksforGeeks
参考答案
```
a
```
Question 6 以下程序的输出结果为( )。
public class Test {
private String function(float i, int f) {
return ("gfg");
}
private String function(double i, double f) {
return ("GFG");
}
public static void main(String[] args) {
Test obj = new Test();
System.out.println(obj.function(1., 20));
}
}
a) GFG
b) Compilation error
c) Runtime error
d) GeeksforGeeks
参考答案
```
a
```
参考链接