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Free Oracle 1Z0-829 Exam Questions

Become Oracle Certified with updated 1Z0-829 exam questions and correct answers

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Total 660 Questions | Updated On: Feb 18, 2026
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Question 1

Question ID: UK8291961
Consider below statements:
1. int x = 5____0;
2. int y = ____50;
3. int z = 50____;
4. float f = 123.76_86f;
5. double d = 1_2_3_4;
How many statements are legal?

Answer: C
Question 2

Question ID: UK8292097
Below is the code of Test.java file:
package com.examtest.ocp;
 
import java.util.*;
 
public class Test {
    public static void main(String[] args) {
        var list = new ArrayList<>(); //Line n1
        list.add("TAKE");
        list.add("THE");
        list.add("RISK");
 
        System.out.println(String.join(".", list)); //Line n2
    }
}
What is the result?

Answer: B
Question 3

Question ID: UK8292486
Given code of Test.java file
package com.examtest.ocp;
public class Test {
    public static < T > T get(T t) {
        return t;
    }
    public static void main(String[] args) {
        String str = get("HELLO");
        System.out.println(str);
    }
}
What is the result?

Answer: A
Question 4

Question ID: UK8291921
Given code of Test.java file:
package com.examtest.ocp;
 
import java.time.*;
 
public class Test {
    public static void main(String [] args) {
        System.out.println(Duration.ofDays(-2));
    }
}
What is the result?

Answer: C
Question 5

Question ID: UK8296889
Given code of Test.java file:
package com.examtest.ocp;
 
class GrandParent {}
 
class Parent extends GrandParent {}
 
class Child extends Parent {}
 
class GrandChild extends Child {}
 
public class Test {
    public static void main(String... args) {
        GrandParent obj = new Child();
        if(!(obj instanceof GrandChild gc)) {
            System.out.print("Not a GrandChild");
            /*INSERT-1*/
        } 
        /*INSERT-2*/
        System.out.println(gc); //Line n2
    }
}
And the statements:
1. Above code causes compilation error
2. Above code compiles successfully and prints: Not a GrandChild
3. To resolve compilation error, replace /*INSERT-1*/ with return;
4. To resolve compilation error, replace /*INSERT-2*/ with else
How many of the above statements is/are correct?

Answer: C
Page:    1 / 132      
Total 660 Questions | Updated On: Feb 18, 2026
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