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Programming Languages Questions - Java

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What is Java and what are its main features?
Programming Languages Java Subjective
Posted: Sep 24, 2025 View Details
What is the difference between JDK, JRE, and JVM?
Programming Languages Java Subjective
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Which of the following is NOT a Java primitive data type?
Programming Languages Java Mcq
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What is the output of the following code?\nint x = 5;\nint y = ++x;\nSystem.out.println(x + " " + y);
Programming Languages Java Mcq
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What is method overloading in Java?
Programming Languages Java Subjective
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Explain the concept of inheritance in Java with an example.
Programming Languages Java Subjective
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What is the difference between abstract class and interface?
Programming Languages Java Subjective
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Which collection class allows duplicate elements and maintains insertion order?
Programming Languages Java Mcq
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What is the purpose of the final keyword in Java?
Programming Languages Java Subjective
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Explain exception handling in Java.
Programming Languages Java Subjective
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Explain the concept of multithreading in Java and how to create threads.
Programming Languages Java Subjective
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What is the difference between HashMap and ConcurrentHashMap?
Programming Languages Java Subjective
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Which design pattern is implemented by the String class in Java?
Programming Languages Java Mcq
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Explain Java Memory Model and Garbage Collection.
Programming Languages Java Subjective
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What are Java 8 features and explain Stream API.
Programming Languages Java Subjective
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