Answer:
In Java
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
int mnth, yr;
Scanner input = new Scanner(System.in);
System.out.print("Month: "); mnth = input.nextInt();
System.out.print("Year: "); yr = input.nextInt();
boolean lpYear = (yr % 4 == 0 && yr % 100 != 0) || (yr % 400 == 0);
if(mnth == 1 || mnth == 3 || mnth == 5 || mnth== 7 || mnth == 8 || mnth == 10 || mnth == 12){
System.out.print("31 days"); }
else if(mnth == 2){
System.out.print(((lpYear) ? "29 days" : "28 days")); }
else if(mnth == 9 || mnth == 6 || mnth == 4 || mnth== 11){
System.out.print("30 days"); }
else{ System.out.print("Invalid"); }
}
}
Explanation:
See attachment for complete program where comments were used as explanation.
Answer:
The delimiter use is "::".
Explanation:
The Java inbuilt String.split( ) function is use to split a String into an array of String.
The split( ) takes delimiter as arguments/parameter which determines at which point the string is to be broken down into different part/token.
From the above code snippet;
Each line in the file a.txt that is not null is splitted using the statement below:
String[ ] v = line.split("::");
The line is splitted using "::" as delimiter and the resulting array is then assigned to the variable 'v'.
For instance, a line in the file could take the form:
John::Smith::Music
When it is splitted,
String lname = John;
because lname make reference to index 0 of the array.
String fname = Smith;
because fname make reference to index 1 of the array.
String dept = Music;
and dept make reference to index 2 of the array.
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Wave energy and wind power (also hydroelectric dams as well), they create energy without pollution but need a lot of maintenance and some people disagree with their aesthetic influence of the countryside as they are very industrial looking <span />
We can read things like this 3elô m7 n&m3
