Oracle 1Z0-501 : Java Certified Programmer

1Z0-501 real exams

Exam Code: 1Z0-501

Exam Name: Java Certified Programmer

Updated: Jul 14, 2026

Q & A: 147 Questions and Answers

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Oracle 1Z0-501 Exam Syllabus Topics:

SectionWeightObjectives
Concurrency10%- Synchronization and thread safety
- Thread creation and lifecycle
Flow Control and Exceptions15%- Control structures
  • 1. if/else, switch, loops
    • 2. Break, continue, and assertions
      - Exception handling
      • 1. Exception hierarchy
        • 2. try, catch, finally, throw, throws
          Java I/O10%- Reading/writing files and character encoding
          - File and stream classes
          Java Basics15%- Language fundamentals
          • 1. Variable scope and initialization
            • 2. Identifiers, keywords, and data types
              Java API: java.lang15%- String and StringBuffer
              - Math and Object class
              - Wrapper classes
              Collections and Generics15%- Collection framework
              • 1. List, Set, Map, and Queue
                • 2. Comparable and Comparator
                  - Generics fundamentals
                  Object-Oriented Concepts20%- Classes, inheritance, and interfaces
                  • 1. Polymorphism and casting
                    • 2. Overloading and overriding
                      • 3. Access modifiers and encapsulation

                        Oracle Java Certified Programmer Sample Questions:

                        1. Which two are equivalent? (Choose Two)

                        A) 16*4
                        B) 16/2^2
                        C) 16>4
                        D) 16/2
                        E) 16>>2
                        F) 16>>>2


                        2. Given:
                        1 . public class ArrayTest {
                        2 . public static void main (String[]args){
                        3 . float f1[], f2[];
                        4 . f1 = new float [10];
                        5 . f2 = f1;
                        6 . System.out.printIn ("f2[0]=" + f2[0]);
                        7 .}
                        8 .}
                        What is the result?

                        A) An error at line 6 causes compile to fail.
                        B) It prints f2[0] = 0.0
                        C) An error at line 6 causes an exception at runtime.
                        D) An error at line 5 causes compile to fail.
                        E) It prints f2[0] = NaN


                        3. Given:
                        1 . abstract class abstrctIt {
                        2 . abstract float getFloat ();
                        3 . )
                        4 . public class AbstractTest extends AbstractIt {
                        5 . private float f1= 1.0f;
                        6 . private float getFloat () {return f1;}
                        7 . }
                        What is the result?

                        A) An error on line 6 causes a runtime failure.
                        B) An error at line 2 causes compilation to fail.
                        C) An error at line 6 causes compilation to fail.
                        D) Compilation is successful.


                        4. Which can be used to decode charS for output?

                        A) Java.io.InputStreamWriter.
                        B) Java.io.InputStream.
                        C) Java.io.BufferedInputStream.
                        D) Java.io.EncodedReader.
                        E) Java.io.InputStreamReader.


                        5. Given:
                        1 . public class X (
                        2 . public object m () {
                        3 . object o = new float (3.14F);
                        4 . object [] oa = new object [1];
                        5 . oa[0]= o;
                        6 . o = null;
                        7 . return oa[0];
                        8 . }
                        9 . }
                        When is the float object created in line 3, eligible for garbage collection?

                        A) Just after line 6
                        B) Never in this method.
                        C) Just after line 7 (that is, as the method returns)
                        D) Just after line 5


                        Solutions:

                        Question # 1
                        Answer: B,E
                        Question # 2
                        Answer: B
                        Question # 3
                        Answer: C
                        Question # 4
                        Answer: E
                        Question # 5
                        Answer: B

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