Monthly Archives: February 2020

throw – throws

throw – throws Point of usage throw keyword is used inside a function. It is used when it is required to throw an Exception logically. void Demo() throws ArithmeticException, NullPointerException { // Statements where exceptions might occur. throw new ArithmeticException(); … Continue reading

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CALL BY VALUE – CALL BY REFERENCE

Call by value – call by reference Call by Value means calling a method with a parameter as value. Through this, the argument value is passed to the parameter. While Call by Reference means calling a method with a parameter as a reference

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STATIC – NON STATIC

Static – non static variables Static variables are shared among all instances of a class. Non static variables are specific to that instance of a class. Static variable is like a global variable and is available to all methods. Non static variable is like a local variable and they can be … Continue reading

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PURE -IMPURE METHODS

Pure function The return value of the pure func­tions solely depends on its arguments Hence, if you call the pure func­tions with the same set of argu­ments, you will always get the same return values. They do not mod­ify the … Continue reading

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break – continue – return – System.exit(0)

The break keyword is used to breaks(stopping) a loop execution, which may be a for loop, while loop, do while or for each loop. The break statement can also be used to jump out of a loop. for (int i = 0; i … Continue reading

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