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The problem context here is to create a method in Java that can take an arbitrary number of integer arguments and add them together. This is a demonstration of the use of variable arguments (varargs) in Java, which allows a method to accept zero or more arguments of a specified type.
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The solution approach is to define a method 'add' that takes an integer varargs as input. Inside the method, a for-each loop is used to iterate over each integer in the varargs. Each integer is added to a string 'b' with a '+' sign appended, and also added to an integer 'c'. The string 'b' is then printed without the last '+', followed by the '=' sign and the total sum 'c'. This effectively prints out the entire addition operation and its result.
/**
*
*/
package com.javaaid.hackerrank.solutions.languages.java.advanced;
/**
*
*/
public class JavaVarargsSimpleAddition {
public void add(int... a) {
String b = "";
int c = 0;
for (int i : a) {
b += i + "+";
c += i;
}
System.out.print(b.substring(0, b.length() - 1));
System.out.println("=" + c);
}
}
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