Java is a simple, secured, high level, platform-independent, multithread, Object-oriented programming language.
It’s one of the most popular and widely used programming language, platform, and technology. Java is not only a language it is also a platform and technology.
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Q1) Java-style IF-ELSE statements are similar to ____. a) C styleb) C++ Stylec) Both C and C++ styled) None View Answer Answer:- c) Both C and C++ style Q2) An ELSE statement must be preceded by ____ statement in Java. a) IFb) ELSE IFc) IF or ELSE IFd) None View Answer Answer:- c) IF or […]
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Java Collection Framework Overview | In this post we will see the limitations of Array and the need for the Java collection framework. What is Java Collection Framework? What are the different interfaces and classes gives in the Java collection framework? They were given in which version and what is the main purpose of that
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Q1) Find the output of the given Java program? a) Hello Worldb) HelloWorldc) Compiled Successfully, No Output.d) Compile-time error View Answer Answer:- a) Hello World Q2) Find the output of the given Java program? a) Hello Worldb) Know Programc) Hello World Hello Know Programd)Hello WorldHello Know Program View Answer Ans:- d) Hello World Hello Know
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Java Generics Quiz Part – 3 | In Java Generics feature was introduced in Java 5 version to provide the type for method’s parameter and return type dynamically by achieving compile-time type checking for solving ClassCastException. Here we will see different Java generics test Questions. Also See:- Java Generics Quiz Part – 1, Java Generics
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Java Generics Quiz Part – 2 | In Java Generics feature was introduced in Java 5 version to provide the type for method’s parameter and return type dynamically by achieving compile-time type checking for solving ClassCastException. Here we will see different Java generics test Questions. Also See:- Java Generics Quiz Part – 1, Java Generics
Java Generics Test Questions Read More »
Java Generics Quiz Part – 1 | In Java Generics feature was introduced in Java 5 version to provide the type for method’s parameter and return type dynamically by achieving compile-time type checking for solving ClassCastException. Here we will see different Java generics test Questions. Also See:- Java Generics Quiz Part – 2, Java Generics
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ConcurrentHashMap vs HashMap | In this post we will see the difference between HashMap vs ConcurrentHashMap. The HashMap is defined in java.util package whereas ConcurrentHashMap is given in java.util.concurrent package. Both of them implement Map(I) and are used to store key-value pairs but they have many differences. The HashMap is mainly given for single thread
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Java Multithreading MCQ Part-9 | Java Deadlock, Daemon Thread & Thread Group MCQ | Also See:- Inter-Thread Communication, Deadlock, Daemon Thread Interview Questions Deadlock Q1) Deadlock situations occur because of which keyword? a) thisb) synchronizedc) superd) static View Answer Answer:- b) synchronized The deadlock situation occurs only because of synchronized keyword. Q2) Is it an example of
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Java Multithreading MCQ Part-8 | Java Interthread Communication MCQ | Also See:- Inter-Thread Communication, Deadlock, Daemon Thread Interview Questions Q1) The wait(), notify(), and notifyAll() methods are present in which class or interface? a) Object classb) Thread classc) Runnable classd) None of these View Answer Answer:- a) Object class Thread can call wait(), notify(), and
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