Ans :- these are the difference between String Buffer and String Builder s.No String Buffer String Builder 1. StringBuffer is Synchronized StringBuilder is non Synchronized 2. StringBuffer is thread safe StringBuilder is not thread safe 3 StringBuffer is less efficient …
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Solution :- SELECT e.empId,e.empName,e.cityId,c.cityName,c.stateName FROM Employee eJOIN City c ON e.cityId = c.cityIdWHERE e.empId =100;
In Java ArrayList and Vector classes both are implements List Interface, and both are using resizable and growable Array for internal data structure. Differences with respect to : Methods: Thread Safety: Performance: Legacy: Increment Size:
In today’s fast-paced digital world, having a mobile app for your website is crucial for reaching a wider audience and enhancing user engagement. However, the process of creating an app can be perceived as a complex and expensive endeavor, especially …
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“Nuage Laboratoire, when translated, reveals its meaning as ‘Cloud Lab,’ while ‘Test Lab’ can be equivalently expressed as ‘Laboratoire Test.’“ If you’ve ever navigated the intricate world of app testing, chances are you’ve encountered the powerhouse known as Firebase Test …
SOLUTION :- package p2; import java.util.HashMap; import java.util.Map; import java.util.Map.Entry; public class MapExample { public static void main(String[] args) { Map<Integer,String> map =new HashMap<>(); map.put(1, “David”); map.put(2, “Moksa”); map.put(3, “Poll”); map.put(4, “Iliana”); for(Entry<Integer, String> v1:map.entrySet()) { System.out.println(v1.getKey()+””+v1.getValue()); } } } …
SOLUTION:- import java.util.Arrays;import java.util.List; public class SumOfOddAndEven { public static void main(String[] args) { Integer[] number= {1,2,3,4,5,6,7,8,9,10}; List<Integer> list=Arrays.asList(number); // Even Nomber int sumOfEven=list.stream().filter(i->i%2==0).mapToInt(i->i).sum(); System.out.println(“Sum of Even numbers:”+sumOfEven); // Odd Number int sumOfOdd=list.stream().filter(i->i%2!=0).mapToInt(i->i).sum(); System.out.println(“Sum of Odd numbers:”+sumOfOdd); }}