How to avoid null pointer exception in Java? Null Pointer Exception is a kind of run time exception that is thrown when…
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Non-primitive data types in Java Data types define the type of data that is stored in the variable. The type specifies the…
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Hashing Techniques in Java The hash function is a key-value mapping function. When two or more keys are mapped to the same…
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How to Capitalize the First Letter of a String in Java? In programming, most of the time we have to deal with…
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Convert Java Object to Json using GSON JSON stands for JavaScript object notation, is a lightweight format for storing and transporting the…
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Java URL Encoder Java URLEncoder is a utility class used to encode the URLs (Uniform Resource Locator). Reliability and security are ensured…
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Character Array in Java Character Array in Java is an Array that holds character data types values. In Java programming, unlike C,…
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AWT Program in Java AWT stands for Abstract window toolkit is an Application programming interface (API) for creating Graphical User Interface (GUI)…
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Web crawler Java The web crawler is basically a program that is mainly used for navigating to the web and finding new…
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Set in Java The set is an interface available in the java.util package. The set interface extends the Collection interface. An unordered…