6. For each of the following examples, what is the output? Example String s1 = "Welcome to Java"; String s2 = new String("Welcome to Java"); String s3 = "Welcome to Java"; String s4 = new String("Welcome to Java"); System.out.println(s1 == s2); System.out.println(s1 == s3); System.out.println(s2 == s4); String s1 = "welcome to java"; String s2 = s1.replace('a', 'A'); System.out.println(s2); String s3 = s1.replaceAll("java", "JAVA"); System.out.println(s3); String s4 = s1.replaceFirst("a", "A"); System.out.println(s4);Output Page 2 of 3Lab 2 - Preparation QuestionsITDR2104 - Programming String s1 = "welcome to Java";String s2 = "java";String s3 = "Java";String s4 = "Java is fun"; System.out.println(s1.matches("Java.*")); System.out.println(s2.matches("Java.*")); System.out.println(s3.matches("Java.*")); System.out.println(s4.matches("Java.*"));String s1 = "welcome to Java";String[] tokens1 = s1.split(" ");for (String token : tokens1) { System.out.println("[" + token + "]");}String[] tokens2 = s1.split(" ", 0);for (String token : tokens2) { System.out.println("[" + token + "]");}String[] tokens3 = s1.split(" ", 2);for (String token : tokens3) { System.out.println("[" + token + "]");} 6. For each of the following examples, what is the output?EхampleOutputString sl = "Welcome to Java";String s2 = new String ("Welcome to Java");String s3 = "Welcome to Java";String s4 = new String ("Welcome to Java");System.out.println (sl == s2);System.out.println(sl == s3);System.out.println(s2 == s4);String sl = "welcome to java";String s2 = sl.replace ('a', 'A');System.out.println (s2);String s3 = sl.replaceAl1("java", "JAVA");System.out.println (s3);String s4 = sl.replaceFirst ("a", "A");System.out.println (s4);Page 2 of 3Lab 2 - Preparation QuestionsITDR2104 - ProgrammingString sl = "welcome to Java";String s2 = "java";String s3 - "Java";String s4 = "Java is fun";System.out.println (sl.matches ("Java.*"));System.out.println (s2.matches ("Java.*"));System.out.println (s3.matches ("Java.*"));System.out.println(s4.matches ("Java.*"));String sl = "welcome to Java";String[] tokensl = s1.split(" ");for (String tok: tokens1) (System.out.println("[" + token + "]");String[] tokens2 = sl.split(" ", 0);for (String token : tokens2) {System.out.println("[" + token + "]");String[] tokens3 = sl.split(" ", 2);for (String token : tokens3) {System.out.println("[" + token + "]");

a) Complete program code: public class Main { public static void main(String[] args)…

Answered: 6. For each of the following examples,…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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6. For each of the following examples, what is the output? Example String s1 = "Welcome to Java"; String s2 = new String("Welcome to Java"); String s3 = "Welcome to Java"; String s4 = new String("Welcome to Java"); System.out.println(s1 == s2); System.out.println(s1 == s3); System.out.println(s2 == s4); String s1 = "welcome to java"; String s2 = s1.replace('a', 'A'); System.out.println(s2); String s3 = s1.replaceAll("java", "JAVA"); System.out.println(s3); String s4 = s1.replaceFirst("a", "A"); System.out.println(s4); Output Page 2 of 3 Lab 2 - Preparation Questions ITDR2104 - Programming String s1 = "welcome to Java"; String s2 = "java"; String s3 = "Java"; String s4 = "Java is fun"; System.out.println(s1.matches("Java.*")); System.out.println(s2.matches("Java.*")); System.out.println(s3.matches("Java.*")); System.out.println(s4.matches("Java.*")); String s1 = "welcome to Java"; String[] tokens1 = s1.split(" "); for (String token : tokens1) { System.out.println("[" + token + "]"); } String[] tokens2 = s1.split(" ", 0); for (String token : tokens2) { System.out.println("[" + token + "]"); } String[] tokens3 = s1.split(" ", 2); for (String token : tokens3) { System.out.println("[" + token + "]"); }

6. For each of the following examples, what is the output?
Eхample
Output
String sl = "Welcome to Java";
String s2 = new String ("Welcome to Java");
String s3 = "Welcome to Java";
String s4 = new String ("Welcome to Java");
System.out.println (sl == s2);
System.out.println(sl == s3);
System.out.println(s2 == s4);
String sl = "welcome to java";
String s2 = sl.replace ('a', 'A');
System.out.println (s2);
String s3 = sl.replaceAl1("java", "JAVA");
System.out.println (s3);
String s4 = sl.replaceFirst ("a", "A");
System.out.println (s4);
Page 2 of 3
Lab 2 - Preparation Questions
ITDR2104 - Programming
String sl = "welcome to Java";
String s2 = "java";
String s3 - "Java";
String s4 = "Java is fun";
System.out.println (sl.matches ("Java.*"));
System.out.println (s2.matches ("Java.*"));
System.out.println (s3.matches ("Java.*"));
System.out.println(s4.matches ("Java.*"));
String sl = "welcome to Java";
String[] tokensl = s1.split(" ");
for (String tok
: tokens1) (
System.out.println("[" + token + "]");
String[] tokens2 = sl.split(" ", 0);
for (String token : tokens2) {
System.out.println("[" + token + "]");
String[] tokens3 = sl.split(" ", 2);
for (String token : tokens3) {
System.out.println("[" + token + "]");

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