Question

HELP IN JAVA:

2. Input a phrase consisting of uppercase and lowercase characters and ending with a '.' Output the same phrase all uppercase.

3. Repeat #2. But this time the input should consist of several lines each ending with a period, and the last line contains a '#' signalling the end of the input. For example:

Today is Friday.

When life hands you lemons, make lemonade.

It's raining.

#

Answer 1

//Main1.java
import java.util.Scanner;
public class Main1 {
  public static void main (String[] args) {
    Scanner scanner = new Scanner(System.in);
    System.out.println("Enter string:");
    String s = scanner.nextLine();
    System.out.println(s.toUpperCase());
  }
}

-------------------------------------------------------------

//Main2.java
import java.util.Scanner;
public class Main2 {
  public static void main (String[] args) {
    Scanner scanner = new Scanner(System.in);
    System.out.println("Enter strings ending with line #:");
    String arr[] = new String[100];
    int i = 0;
    while (true) {
      String s = scanner.nextLine();
      if(s.equals("#")){
        break;
      }
      arr[i++] = s;
    }

    for(int j = 0;j<i;j++){
      System.out.println(arr[j].toUpperCase());
    }
  }
}