Java Interview Questions Archives - Page 4 of 6

How are Java Strings immutable

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You might have heard a lot about Java Strings being immutable. You might have also faced interview questions where you […]

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A constructor is a special method that is invoked as soon as an object is created using the new operator. […]

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Java provides an interface called Iterator that is used to iterate over or loop through the elements in a collection. […]

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I’ve seen a lot of questions posted which ask the meaning of public static void main in Java. In this […]

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In this blog post, I will be explaining the distinction between classes and objects. The most important thing to understand about […]

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You might have used the increment and decrement operators in Java. You can use these in prefix and postfix form. […]

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In this blog post, I will be explaining Java PATH and CLASSPATH. Both PATH and CLASSPATH are environment variables that […]

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In this blog post, I will be explaining what is a marker interface in Java. Marker Interface Definition A […]

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In this blog post, I will be explaining the ‘this’ keyword. Sometimes a method will need to refer to the object […]

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In this blog post, I am going to explain the JVM, JRE and JDK and how they differ from each […]