NullPointerException java api code example
Example 1: NullPointerException
TestObject a = new TestObject();String b = a.getTestResult();b.toString();
Example 2: nullpointerexception java
Integer num;
num = new Integer(10);
Example 3: nullpointer extension
public class C {
private B b = null;
private D d = null;
private E e = null;
public C(B b, E e, D d)
{
this.b = b;
this.e = e;
this.d = d;
}
Example 4: nullpointerexception java
int x;
x = 10;
Example 5: nullpointerexception
public class MyClass{
private Object iAmNull;
private Object iAmInitialized=new Object();
public void test(){
System.out.println(iAmInitialized.toString());
System.out.println(iAmNull.toString());
}
}