Added Math.ceil method to round up.

algorithms/roundUpToHundred/src/com/java/src/RoundUpToHundred.java

@@ -4,19 +4,17 @@ import java.util.Scanner;
 
 public class RoundUpToHundred {
 
-	public static void main(String[] args) {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        double input = scanner.nextDouble();
+        scanner.close();
 
-		Scanner scanner = new Scanner(System.in);
-		double input = scanner.nextDouble();
-		scanner.close();
+        RoundUpToHundred.round(input);
+    }
 
-		RoundUpToHundred.round(input);
-	}
-
-	static int round(double input) {
-
-		int i = (int) Math.round(input);
-		return ((i + 99) / 100) * 100;
-	};
+    static int round(double input) {
+        int i = (int) Math.ceil(input);
+        return ((i + 99) / 100) * 100;
+    };
 
 }

algorithms/roundUpToHundred/src/com/java/src/RoundUpToHundredTest.java

@@ -2,17 +2,13 @@ package com.java.src;
 
 import static org.junit.Assert.assertEquals;
 
+import org.junit.Test;
+
 public class RoundUpToHundredTest {
-	public void roundupTest() {
-
-		assertEquals("Rounded up to hundred", 100, 
-				RoundUpToHundred.round(99));
-
-		assertEquals("Rounded down to two hundred ", 200,
-				RoundUpToHundred.round(200.2));
-
-		assertEquals("Returns same rounded value", 300,
-				RoundUpToHundred.round(300));
-
-	}
+    @Test
+    public void givenInput_whenRoundedUp_thenTrue() {
+        assertEquals("Rounded up to hundred", 100, RoundUpToHundred.round(99));
+        assertEquals("Rounded up to three hundred ", 300, RoundUpToHundred.round(200.2));
+        assertEquals("Returns same rounded value", 400, RoundUpToHundred.round(400));
+    }
 }