1. Let s1 be "Welcome" and s2 be "welcome". Write the code for the following statements: a. Replace all occurrences of the character e with E in s1 and assign the new string to s2. b. Split Welcome to Java and HTML into an array tokens delimited by a space and assign the first two tokens into s1 and s2. 2. Show the output of the following code and briefly explain your answer. public class Test { } public static void main(String[] args) { } System.out.println("Hi, ABC, good".matches("ABC")); System.out.println("Hi, ABC, good".matches(". *ABC. *")); System.out.println("A,B;C".replaceAll(",;", "#")); System.out.println("A, B; C".replaceAll("[,;]", "#")); String[] tokens = "A,B;C".split("[,;]"); for (int i = 0; i < tokens.length; i++) System.out.print(tokens[i] + " ");
1. Let s1 be "Welcome" and s2 be "welcome". Write the code for the following statements: a. Replace all occurrences of the character e with E in s1 and assign the new string to s2. b. Split Welcome to Java and HTML into an array tokens delimited by a space and assign the first two tokens into s1 and s2. 2. Show the output of the following code and briefly explain your answer. public class Test { } public static void main(String[] args) { } System.out.println("Hi, ABC, good".matches("ABC")); System.out.println("Hi, ABC, good".matches(". *ABC. *")); System.out.println("A,B;C".replaceAll(",;", "#")); System.out.println("A, B; C".replaceAll("[,;]", "#")); String[] tokens = "A,B;C".split("[,;]"); for (int i = 0; i < tokens.length; i++) System.out.print(tokens[i] + " ");
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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Question
Write the code in java and please dont plagarise or copy from other sources write it on your own and read the question carefully and do what in the question says thank you.
![2. The String, StringBuilder, and StringBuffer Classes
1. Let s1 be "Welcome" and s2 be "welcome". Write the code for the following statements:
a. Replace all occurrences of the character e with E in s1 and assign the new string to s2.
b. Split Welcome to Java and HTML into an array tokens delimited by a space and assign the
first two tokens into s1 and s2.
2. Show the output of the following code and briefly explain your answer.
public class Test {
}
public static void main(String[] args) {
}
System.out.println("Hi, ABC, good".matches("ABC "));
System.out.println("Hi, ABC, good".matches(". *ABC.*"));
System.out.println("A,B;C".replaceAll(",;", "#"));
System.out.println("A, B; C".replaceAll("[‚;]", "#"));
String[] tokens = "A,B;C".split("[, ;]");
for (int i = 0; i < tokens.length; i++)
System.out.print(tokens[i] +
"");](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F83cebb0c-db38-4f0e-a0d3-5fd209e24564%2Fff3e2011-b776-4a92-86ed-90efc7b8be13%2Fmheac1_processed.png&w=3840&q=75)
Transcribed Image Text:2. The String, StringBuilder, and StringBuffer Classes
1. Let s1 be "Welcome" and s2 be "welcome". Write the code for the following statements:
a. Replace all occurrences of the character e with E in s1 and assign the new string to s2.
b. Split Welcome to Java and HTML into an array tokens delimited by a space and assign the
first two tokens into s1 and s2.
2. Show the output of the following code and briefly explain your answer.
public class Test {
}
public static void main(String[] args) {
}
System.out.println("Hi, ABC, good".matches("ABC "));
System.out.println("Hi, ABC, good".matches(". *ABC.*"));
System.out.println("A,B;C".replaceAll(",;", "#"));
System.out.println("A, B; C".replaceAll("[‚;]", "#"));
String[] tokens = "A,B;C".split("[, ;]");
for (int i = 0; i < tokens.length; i++)
System.out.print(tokens[i] +
"");
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