Melontarkan Eksepsi (throw)

Melontarkan Eksepsi (throw)

• Keyword throw digunakan untuk melontarkan eksepsi
• Bentuk: throw variabelObjek;

DemoThrow.java

class DemoThrow{

                                public static void main(String[] args){

                                    RuntimeException r = new
                                RuntimeException("Eksepsi RuntimeException");

                 System.out.println("Sebelum Throw");

                 throw(r);

                                }

                }

throws untuk Eksepsi Method

• Keyword throws digunakan untuk memberitahu bahwa suatu method ada kemungkinan menghasilkan suatu eksepsi
• Bentuk:

public tipe namaMethod() throws JenisEksepsi{

...

}

atau

public tipe namaMethod() throws JenisEksepsi1,

JenisEksepsi2, JenisEksepsi3...{

...

}

DemoThrows.java

class SuatuKelas{

// Method tanpa throws

public void metodeA(){

System.out.println(“MetodeA”);

}

// Method dengan throws

public void metodeB() throws IOException{

System.out.println(“MetodeB”);

}

}

class DemoThrows{

public static void main(String[] args){

SuatuKelas obj = new SuatuKelas();

obj.metodeA();

obj.metodeB();

}

}

DemoThrows2.java

class SuatuKelas{

                public void metodeA(){

                    System.out.println("MetodeA");

}

public void metodeB() throws IOException{

                    System.out.println("MetodeB");

                }

}

public class DemoThrows{

                public static void main(String[] args){

SuatuKelas obj = new SuatuKelas();

obj.metodeA();

obj.metodeB();

                }

}