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GenericTest.java
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53 lines (44 loc) · 1.21 KB
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package com.interview.all;
class GenericSingleEelement<T>{
T obj;
public GenericSingleEelement(T obj) {
// TODO Auto-generated constructor stub
this.obj=obj;
}
public T getObject() {
return this.obj;
}
}
class GenericDualEelement<U,T>{
U key;
T value;
public GenericDualEelement(U key,T value) {
this.key = key;
this.value = value;
}
public void print() {
System.out.println("key is :"+key);
System.out.println("value is :"+value);
}
}
class GenericMethods{
//Generic method
public static<E> void printArray(E[] e) {
for (E e2 : e) {
System.out.println("elements :"+e2);
}
}
}
public class GenericTest {
public static void main(String[] args) {
GenericSingleEelement<Integer> genericInt = new GenericSingleEelement<Integer>(50);
System.out.println(genericInt.getObject());
GenericSingleEelement<String> genericStr = new GenericSingleEelement<String>("Devendra");
System.out.println(genericStr.getObject());
GenericDualEelement<Integer,String> dualEelement = new GenericDualEelement<Integer,String>(1, "Apple");
dualEelement.print();
Integer arr[] = {1,2,3,4,5,6,7};
GenericMethods genericMethods = new GenericMethods();
genericMethods.printArray(arr);
}
}