collections class in java methods
Wrapper Objects into Primitive Types. This class is a member of the Java Collections Framework.
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. Ad Shop thousands of high-quality on-demand online courses. Wrapper Objects into Primitive Types. The methods of this class all throw a NullPointerException if the collections or class objects provided to them are null.
To convert objects into the primitive types we can use the corresponding value methods intValue doubleValue etc present in each wrapper classExample 2. Collection Set List Map.
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