Java Program: Take 2 arrays, write a method to - Insert array2 in to array1 at given position//Output: {12, 13,14,5,6,15}package qasign;import java.util.ArrayList;import java.util.Arrays;public class SampleTest { public static void main(String[] args) { Integer array1[]={12, 13,14,15}; Integer array2[]={5, 6}; int position=3; List<Integer> list1=new ArrayList<>(Arrays.asList(array1)); System.out.println(); Arrays.asList(array2); List<Integer>...
Tuesday, October 5, 2021
package qasignpackage;import java.util.ArrayList;import java.util.Arrays;import java.util.HashMap;import java.util.List;import java.util.Map;import java.util.Map.Entry;public class SampleTest { public static void main(String[] args) { HashMap<String, String> hmap=new HashMap<String,String>(); hmap.put("1", "qa"); ...
Tuesday, August 17, 2021
What is method overload and method override?Method Overload:method overload means methods contain with same name and difference in the parametersThis difference may be in the -> sequence of the parameters -> number of the parameters -> type of the parametersMethod Override: Method Override means methods with same name and same parameters. This override performs in parent and child classesWhat is a static keyword in Java?If applies...
Tuesday, January 5, 2021
Type
Casting:
The process of converting value of
one Datatype to another Datatype. Two ways of Casting:
Widening: Converting a smaller datatype to higher datatype
is called widening.
byte-> short -> char -> int
-> long -> float -> double
widening happens automatically and it
is safe operation. We also call widening as implicit casting.
...
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