Answer:
Option (e)
Explanation:
Option (e) is the answer. It indicates the exception thrown and displays it. It also indicates the place where the exception was thrown ( at what line of the code the exception was thrown )
Option (a) is false as the program which was terminated because of an exception which was not handled doesn't starts automatically.
Option (b) is false as it doesn't opens a dialogue box about running the program another time or anything. It just terminates because of the unhandled exception.
Option (c) is false as it doesn't saves all the output to a disk file called the "runStackTrace.txt".
Option (d) is false as it doesn't open a dialogue box. The program terminates because of the unhandled exception.
Answer:
Explain Operating System working: OS works as an intermediate between the user and computer. It helps the user to communicate with the computer without knowing how to speak the computer's language. The kernel is the central component of a computer operating systems.
Explanation:
Answer:
This article shows how to use regex to remove spaces in between a String.
A string with spaces in between.
String text = "Hello World Java.";
We want to remove the spaces and display it as below:
Hello World Java.
1. Java regex remove spaces
In Java, we can use regex \\s+ to match whitespace characters, and replaceAll("\\s+", " ") to replace them with a single space.
Regex explanation.
`\\s` # Matches whitespace characters.
+ # One or more
StringRemoveSpaces.java
package com.mkyong.regex.string;
public class StringRemoveSpaces {
public static void main(String[] args) {
String text = "Hello World Java.";
String result = text.replaceAll("\\s+", " ");
System.out.println(result);
}
}
Output
Terminal
Hello World Java.
Answer:
/28 -- 16 Subnets -- 14 Hosts/Subnet
14*16 = 224 hosts
Explanation:
see https://www.aelius.com/njh/subnet_sheet.html
Cutting down trees for paper
