All type of java interview Questions for beginners

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Core java Interview Questions for All. Aggregation
Learn java interview questions for student.learn java,core java interview question,java interview question.
Without existing container object if there is a chance of existing contained objects
such type of relationship is called aggregation .
in aggregation objects have weak association.

Example:
Within a department there may be a chance of several professors will work whenever
we are closing department still there may be a chance of existing department object the
relationship between department and professor is called aggregation where the objects
having weak association.
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Core java interview Questions👉👉👉 Composition
without existing container object if there is no chance of existing contained object
then the relation between container object and contained object is called composition
which is a strong association.
Example:
Any university consists of several departments whenever university object destroys automatically
all the department object will be destroys that is without existing dependent object hence there are associated and this relationship is called composition .more questions visit:- 👍👍👍https://cjavapoint.blogspot.com/

Core java interview Questions👉👉👉 Composition
without existing container object if there is no chance of existing contained object
then the relation between container object and contained object is called composition
which is a strong association.
Example:
Any university consists of several departments whenever university object destroys automatically
all the department object will be destroys that is without existing dependent object hence there are associated and this relationship is called composition .more questions visit:- 👍👍👍https://cjavapoint.blogspot.com/

java interview Questions Join Group👌👌👌👌👌👌 https://t.me/javaQuestions4u

Core java Interview Questions for All. Aggregation
Learn java interview questions for student.learn java,core java interview question,java interview question.
Without existing container object if there is a chance of existing contained objects
such type of relationship is called aggregation .
in aggregation objects have weak association.

Example:
Within a department there may be a chance of several professors will work whenever
we are closing department still there may be a chance of existing department object the
relationship between department and professor is called aggregation where the objects
having weak association.
More Questions Visit My Blog 👉👉👉👉👉👉👉👉https://cjavapoint.blogspot.com/

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Java program to ReverseString using ByteArrayCore java String 👉👉👉👉👉👉👉👉👉👉👉👉👉/ Java program to ReverseString using ByteArray.
import java.lang.*;
import java.io.*;
import java.util.*;

// Class of ReverseString
class ReverseString
{
public static void main(String[] args)
{
String input = "JavaInterview";

// getBytes() method to convert string
// into bytes[].
byte [] strAsByteArray = input.getBytes();

byte [] result =
new byte [strAsByteArray.length];

// Store result in reverse order into the
// result byte[]
for (int i = 0; i<strAsByteArray.length; i++)
result[i] =
strAsByteArray[strAsByteArray.length-i-1];

System.out.println(new String(result));
}
}

Output:

weivretniavaj More java interview questions and java program visit my blog 👉👉👉👉👉https://cjavapoint.blogspot.com/👈👈👈👈👈👈👈

core java interview questions
// Java program to Reverse a String by
// converting string to characters one
// by one
import java.lang.*;
import java.io.*;
import java.util.*;

// Class of ReverseString
class ReverseString
{
public static void main(String[] args)
{
String input = "java";

// convert String to character array
// by using toCharArray
char[] try1 = input.toCharArray();

for (int i = try1.length-1; i>=0; i--)
System.out.print(try1[i]);
}
}

Output: avaj for more questions visit👉👉👉👉👉👉👉👉👉👉👉👉👉 https://cjavapoint.blogspot.com/