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java random number generator

JAVA TUTORIALS

Java Program: How to Print or Get or Find a Random Element of An Array, ArrayList

It is programmers need to choose or select or get a random element or random index of an Array or ArrayList in Java. The random element may be a number or string. Let us explore Math.random() method with examples. The same code can be used to implement a Lottery Draw to pick a random contestant from a list of participants.