Example usage for java.lang Object getClass

Introduction

In this page you can find the example usage for java.lang Object getClass.

Prototype

@HotSpotIntrinsicCandidate
public final native Class<?> getClass();

Source Link

Document

Returns the runtime class of this Object .

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    Object o = new int[1][2][3];

    o.getClass().getComponentType();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    Object o = new String();
    Class sup = o.getClass().getSuperclass(); // java.lang.Object

}

From source file:Main.java

public static void main(String[] argv) throws Exception {

    Object o = new Object();
    Class sup = o.getClass().getSuperclass(); // null
}

From source file:Main.java

public static void main(String args[]) throws Exception {
    URL u = new URL("http://www.java2s.com");
    Object o = u.getContent();
    System.out.println(o.getClass().getName());
}

From source file:Main.java

public static void main(String[] args) {
    Object o = new String("Hello");

    Class clazz = o.getClass().getSuperclass();
    System.out.println("Super Class = " + clazz);

    o = new StringIndexOutOfBoundsException("Error message");

    clazz = o.getClass().getSuperclass();
    System.out.println("Super Class = " + clazz);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    Object object = new String();
    // By way of an object
    Class cls = object.getClass();

}

From source file:MainClass.java

public static void main(String[] args) {

    try {//from w  w  w .ja  v a2s  .  co  m
        URL u = new URL("http://www.java2s.com");

        Object o = u.getContent();
        System.out.println("I got a " + o.getClass().getName());
    } catch (Exception ex) {
        System.err.println(ex);
    }
}

From source file:MainClass.java

public static void main(String args[]) {
    Object array = Array.newInstance(int.class, 3);

    Class type = array.getClass();
    if (type.isArray()) {
        Class elementType = type.getComponentType();
        System.out.println("Array of: " + elementType);
        System.out.println("Array size: " + Array.getLength(array));
    }/* www .  j  a va 2  s . c  om*/

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    ScriptEngineManager manager = new ScriptEngineManager();
    ScriptEngine engine = manager.getEngineByName("JavaScript");

    String script = "var year = 2015";

    engine.eval(script);/*from www. j  av  a2s . com*/
    Object year = engine.get("year");
    System.out.println("year's class:" + year.getClass().getName());
    System.out.println("year's value:" + year);
}

From source file:Main.java

public static void main(String[] args) {

    String str = "This is from java2s.com";

    Class cls = str.getClass();/*from   www  .j  a v  a2 s.c o  m*/
    boolean arr = cls.isArray();
    System.out.println(arr);

    Object array = Array.newInstance(int.class, 3);

    Class type = array.getClass();
    if (type.isArray()) {
        Class elementType = type.getComponentType();
        System.out.println("Array of: " + elementType);
        System.out.println("Array size: " + Array.getLength(array));
    }
}