import java.lang.*;

/**
 * Sample to convert String and basic type.
 */
class StringConvertSample {

  /**
   * Do it.
   */
  public void doIt() {
    try {
      String s0 = "12345";
      System.out.println("String " + s0);

      // String to int.
      int i = Integer.parseInt(s0);
      System.out.println("Integer.parseInt(" + s0 + ") -> " + i);

      // int to String.
      String s1 = String.valueOf(i);
      System.out.println("String.valueOf(" + i + ") -> " + s1);

      // String to long.
      long l = Long.parseLong(s1);
      System.out.println("Long.parseLong(" + s1 + ") -> " + l);

      // long to String.
      String s2 = String.valueOf(l);
      System.out.println("String.valueOf(" + l + ") -> " + s2);

      // String to float.
      float f = Float.parseFloat(s2);
      System.out.println("Float.parseFloat(" + s2 + ") -> " + f);

      // float to String.
      String s3 = String.valueOf(f);
      System.out.println("String.valueOf(" + f + ") -> " + s3);

      // String to double.
      double d = Double.parseDouble(s3);
      System.out.println("Double.parseDouble(" + s3 + ") -> " + d);

      // double to String.
      String s4 = String.valueOf(d);
      System.out.println("String.valueOf(" + d + ") -> " + s4);


      // |----+----|----+----|----+----|----+----|----+----|----+----|
      String s5 = "true";
      System.out.println("String " + s5);

      // String to boolean.
      boolean b = Boolean.valueOf(s5).booleanValue();
      System.out.println("Boolean.valueOf(" + s5 + ").booleanValue() -> " + b);

      // boolean to String.
      String s6 = String.valueOf(b);
      System.out.println("String.valueOf(" + b + ") -> " + s6);
    } catch (NumberFormatException nfe) {
      // do nothing.
    }
  }

  public static void main(String args[]) {
    StringConvertSample sample = new StringConvertSample();
    sample.doIt();
  }
}