Programming Fundamentals/Strings/Java
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strings.java
[edit | edit source]// This program splits a given comma-separated name into first and last name
// components and then displays the name.
//
// References:
// https://www.mathsisfun.com/temperature-conversion.html
// https://en.wikibooks.org/wiki/Java_Programming
import java.util.*;
class strings {
private static Scanner input = new Scanner(System.in);
public static void main(String[] args) {
String name;
String last;
String first;
name = getName();
last = getLast(name);
first = getFirst(name);
displayName(first, last);
}
private static String getName()
{
String name;
int index;
do
{
System.out.println("Enter name (last, first):");
name = input.nextLine();
index = name.indexOf(",");
} while (index < 0);
return name;
}
private static String getLast(String name)
{
String last;
int index;
index = name.indexOf(",");
if(index < 0)
{
last = "";
}
else
{
last = name.substring(0, index);
}
return last;
}
private static String getFirst(String name)
{
String first;
int index;
index = name.indexOf(",");
if(index < 0)
{
first = "";
}
else
{
first = name.substring(index + 1);
first = first.trim();
}
return first;
}
private static void displayName(String first, String last)
{
System.out.println("Hello " + first + " " + last + "!");
}
}
Try It
[edit | edit source]Copy and paste the code above into one of the following free online development environments or use your own Java compiler / interpreter / IDE.