What will be the result of compiling and executing Test class?
package com.udayan.oca;
import java.util.ArrayList;
import java.util.List;
public class Test {
public static void main(String[] args) {
List
list.add(100);
list.add(7);
list.add(50);
list.add(17);
list.add(10);
list.add(5);
list.removeIf(a -> a % 10 == 0);
System.out.println(list);
}
}
What will be the result of compiling and executing Test class?
package com.udayan.oca;
public class Test {
private static void add(double d1, double d2) {
System.out.println("double version: " + (d1 + d2));
}
private static void add(Double d1, Double d2) {
System.out.println("Double version: " + (d1 + d2));
}
public static void main(String[] args) {
add(10.0, null);
}
}
What is the signature of special main method?
What will be the result of compiling and executing Test class?
package com.udayan.oca;
public class Test {
static String msg; //Line 2
public static void main(String[] args) {
String msg; //Line 4
if(args.length > 0) {
msg = args[0]; //Line 6
}
System.out.println(msg); //Line 8
}
}
Consider below codes of 3 java files:
1. //Super.java
2. package com.sampleproject.oca;
3.
4. public interface Super {
5. String name = "SUPER"; //Line n1
6. }
1. //Sub.java
2. package com.sampleproject.oca;
3.
4. public interface Sub extends Super { //Line n2
5.
6. }
1. //Test.java
2. package com.sampleproject.oca;
3.
4. public class Test {
5. public static void main(String[] args) {
6. Sub sub = null;
7. System.out.println(sub.name); //Line n3
8. }
9.
Which of the following statements is correct?
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