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Free Oracle 1Z0-829 Exam Questions

Absolute Free 1Z0-829 Exam Practice for Comprehensive Preparation 

  • Oracle 1Z0-829 Exam Questions
  • Provided By: Oracle
  • Exam: Java SE 17 Developer
  • Certification: Oracle Java
  • Total Questions: 660
  • Updated On: Mar 05, 2026
  • Rated: 4.9 |
  • Online Users: 1320
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  • Question 1
    • Question ID: UK8296394
      Consider below code of Test.java file:
      package com.examtest.ocp;
       
      public class Test {
          public static void main(String[] args) {
              var sb = new StringBuilder();
              System.out.println(sb.append("").append("").append("").length());
          }
      }
      What is the result?

      Answer: A
  • Question 2
    • Question ID: UK8291953
      Consider below code of Test.java file:
      package com.examtest.ocp;
       
      public class Test {
          public static void main(String [] args) {
              var text = """
                  I gave him $200 and \
                  he returned me €120, \
                  so I am left with £80.""";
       
              System.out.println(
                  text.transform(Test::removeCurrencySymbols)
                      .transform(String::toUpperCase)
                      .formatted("¥", "¥", "¥"));
          }
       
          private static String removeCurrencySymbols(String s) {
              return s.replaceAll("\\$", "%s")
                      .replaceAll("€", "%s")
                      .replaceAll("£", "%s");
          }
      }
      What is the result?

      Answer: B
  • Question 3
    • Question ID: UK8297722
      Given code of Test.java file:
      package com.examtest.ocp;
       
      interface Rideable {
          void ride(String name);
      }
       
      class Animal {}
       
      class Horse extends Animal implements Rideable {
          public void ride(String name) {
              System.out.println(name.toUpperCase() + " IS RIDING THE HORSE");
          }
      }
       
      public class Test {
          public static void main(String[] args) {
              Animal horse = new Horse();
              /*INSERT*/
          }
      }
      Which of the following options, if used to replace /*INSERT*/, will compile successfully and on execution will print EMMA IS RIDING THE HORSE on to the console?
      Choose 4 options.

      Answer: A,C
  • Question 4
    • Question ID: UK8298194
      Given code of Test.java file:
      package com.examtest.ocp;
       
      public class Test {
          public static void main(String[] args) {
              short [] args = new short[]{50, 50};
              args[0] = 5;
              args[1] = 10;
              System.out.println("[" + args[0] + ", " + args[1] + "]");
          }
      }
      What is the result?

      Answer: A
  • Question 5
    • Given code of Test.java file:
      package com.examtest.ocp;

      public class Test {
          private static String print(String... args) {
              return String.join("-", args); //Line n1
          }
          
          private static Object print(Object... args) {
              String str = "";
              for(Object obj : args) {
                  if(obj instanceof String) { //Line n2
                      str += (String) obj; //Line n3
                  }
              }
              return str; //Line n4
          }
          
          public static void main(String... args) {
              Object obj1 = new String("SPORT"); //Line n5
              Object obj2 = new String("MAD"); //Line n6
              System.out.println(print(obj1, obj2)); //Line n7
          }
      }
      What is the result?

      Answer: A
PAGE: 1 - 132
   
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