Merge pull request #772 from khatwaniNikhil/BAEL-29-StringConversions

Bael 29 string conversions

core-java/src/main/java/com/baeldung/java/conversion/StringConversion.java

@@ -0,0 +1,60 @@
+package com.baeldung.java.conversion;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.time.LocalDateTime;
+import java.util.Date;
+
+import com.baeldung.datetime.UseLocalDateTime;
+
+public class StringConversion {
+
+    public static int getInt(String str) {
+        return Integer.parseInt(str);
+    }
+
+    public static int getInteger(String str) {
+        return Integer.valueOf(str);
+    }
+
+    public static long getLongPrimitive(String str) {
+        return Long.parseLong(str);
+    }
+
+    public static Long getLong(String str) {
+        return Long.valueOf(str);
+    }
+
+    public static double getDouble(String str) {
+        return Double.parseDouble(str);
+    }
+
+    public static double getDoublePrimitive(String str) {
+        return Double.valueOf(str);
+    }
+
+    public static byte[] getByteArray(String str) {
+        return str.getBytes();
+    }
+
+    public static char[] getCharArray(String str) {
+        return str.toCharArray();
+    }
+
+    public static boolean getBooleanPrimitive(String str) {
+        return Boolean.parseBoolean(str);
+    }
+
+    public static boolean getBoolean(String str) {
+        return Boolean.valueOf(str);
+    }
+
+    public static Date getJava6Date(String str, String format) throws ParseException {
+        SimpleDateFormat formatter = new SimpleDateFormat(format);
+        return formatter.parse(str);
+    }
+
+    public static LocalDateTime getJava8Date(String str) throws ParseException {
+        return new UseLocalDateTime().getLocalDateTimeUsingParseMethod(str);
+    }
+}