diff --git a/StringReplaceChar.java b/StringReplaceChar.java
new file mode 100644
index 0000000..7455779
--- /dev/null
+++ b/StringReplaceChar.java
@@ -0,0 +1,42 @@
+
+public class StringReplaceChar {
+
+	// Iterate through the String, one character at a time
+	public static String removeAllInstanceChar(String input, char removeChar) {
+
+		if (input == null) {
+			return input;
+		}
+
+		StringBuilder sb = new StringBuilder(input);
+
+		for (int i = 0; i < sb.length(); i++) {
+
+			char currentChar = sb.charAt(i);
+
+			if (currentChar == removeChar) {
+				sb.deleteCharAt(i);
+			}
+
+		}
+
+		return sb.toString();
+
+	}
+
+	// Find a method in the String class that can solve this in one line
+
+	public static String removeAllInstanceInOneLine(String input,
+			String removeChar) {
+
+		if (input == null) {
+			return input;
+		}
+
+		String replacedString = input.replaceAll(removeChar, "");
+
+		return replacedString;
+
+	}
+
+}
diff --git a/TestStringReplaceChar.java b/TestStringReplaceChar.java
new file mode 100644
index 0000000..8e2909b
--- /dev/null
+++ b/TestStringReplaceChar.java
@@ -0,0 +1,62 @@
+import org.testng.Assert;
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+
+public class TestStringReplaceChar {
+
+	StringReplaceChar stringReplaceChar = new StringReplaceChar();
+
+	@Test(dataProvider = "test1")
+	public void testRemoveAllInstanceChar(String input, char charRemove,
+			String expectedOutput) {
+
+		Assert.assertEquals(expectedOutput,
+				StringReplaceChar.removeAllInstanceChar(input, charRemove));
+
+	}
+
+	@Test(dataProvider = "test2")
+	public void testRemoveAllInstanceInOneLine(String input, String charRemove,
+			String expectedOutput) {
+
+		Assert.assertEquals(expectedOutput,
+				StringReplaceChar.removeAllInstanceInOneLine(input, charRemove));
+
+	}
+
+	// In below data provider, 1st element as input string, 2nd element is the
+	// character needs to be removed, 3rd one expected result
+
+	// Test cases covered
+	/*
+	 * Give valid string and remove any char Give alphanumeric string and remove
+	 * character digit Give string as input and try to remove empty character
+	 * Give the null string and try to remove character. Give the empty string
+	 * and try to remove the character. Give very long string and try to remove
+	 * the character.
+	 */
+	@DataProvider(name = "test1")
+	public static Object[][] RemoveAllInstanceChar() {
+		return new Object[][] {
+				{ "santhosh", 's', "anthoh" },
+				{ "kshitij", 'i', "kshtj" },
+				{ "kshitij", '\0', "kshitij" },
+				{ null, '8', null },
+				{ "kshitij8", '8', "kshitij" },
+				{ "", '8', "" },
+				{ "jagadevisanthoshkumarbiradar", 'a', "jgdevisnthoshkumrbirdr" } };
+	}
+
+	@DataProvider(name = "test2")
+	public static Object[][] RemoveAllInstanceCharInOneLine() {
+		return new Object[][] {
+				{ "santhosh", "s", "anthoh" },
+				{ "kshitij", "i", "kshtj" },
+				{ "kshitij", "\0", "kshitij" },
+				{ null, "8", null },
+				{ "kshitij8", "8", "kshitij" },
+				{ "", "8", "" },
+				{ "jagadevisanthoshkumarbiradar", "a", "jgdevisnthoshkumrbirdr" } };
+	}
+
+}