Become Oracle Certified with updated 1Z0-808 exam questions and correct answers
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);
}
}
Given code:
package com.udayan.oca;
public class Test {
public static void main(String[] args) {
/*INSERT*/
arr[1] = 5;
arr[2] = 10;
System.out.println("[" + arr[1] + ", " + arr[2] + "]"); //Line n1
}
}
And below statements:
1. short arr [] = new short[2];
2. byte [] arr = new byte[10];
3. short [] arr; arr = new short[3];
4. short [2] arr;
5. short [3] arr;
6. int [] arr = new int[]{100, 100};
7. int [] arr = new int[]{0, 0, 0, 0};
8. short [] arr = {};
9. short [] arr = new short[2]{5, 10};
How many above statements can be used to replace /*INSERT*/, such that on execution, code will print [5, 10] on to the console?
What is the signature of special main method?
Given code of Thought.java file:
1. public class Thought {
2. /*INSERT*/ {
3. System.out.println("All is well");
4. }
5. }
Which 3 options, if used to replace /*INSERT*/, will compile successfully and on execution will print "All is well" on to the console?
Consider below code:
1. //Test.java
2. package com.udayan.oca;
3.
4. import java.time.LocalDate;
5.
6. public class Test {
7. public static void main(String [] args) {
8. LocalDate joiningDate = LocalDate.parse("2006-03-16");
9. System.out.println(joiningDate.withDayOfYear(29));
10. }
11. }
What will be the result of compiling and executing Test class?
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