1)add();
package collectioInterfaceMethods;
import java.util.ArrayList;
import java.util.Collection;
public class CollectionDemo {
public static void main(String[] args) {
Collection c = new ArrayList();
System.out.println(c.add(12));
c.add(45);
c.add(67);
c.add(79);
System.out.println(c);
}
}
2)addAlL();
package collectioInterfaceMethods;
import java.util.ArrayList;
import java.util.Collection;
public class CollectionDemo {
public static void main(String[] args) {
Collection c = new ArrayList();
System.out.println(c.add(12));
c.add(45);
c.add(67);
c.add(79);
System.out.println(c);
Collection c1 = new ArrayList();
c1.add(45);
c1.add(67);
c1.add(89);
System.out.println(c.addAll(c1));
System.out.println(c);
}
}
3) remove();
package collectioInterfaceMethods;
import java.util.ArrayList;
import java.util.Collection;
public class CollectionDemo {
public static void main(String[] args) {
Collection c = new ArrayList();
System.out.println(c.add(12));
c.add(45);
c.add(67);
c.add(79);
System.out.println(c);
System.out.println(c.remove(45));
System.out.println(c);
}}
4)removeAll();
package collectioInterfaceMethods;
import java.util.ArrayList;
import java.util.Collection;
public class CollectionDemo {
public static void main(String[] args) {
Collection c = new ArrayList();
System.out.println(c.add(12));
c.add(45);
c.add(67);
c.add(79);
System.out.println(c);
Collection c1 = new ArrayList();
c1.add(45);
c1.add(67);
c1.add(89);
System.out.println(c.addAll(c1));
System.out.println(c);
System.out.println(c.removeAll(c1));
System.out.println(c);
}
}
5)contains();
Example 1:
import java.util.ArrayList;
import java.util.Collection;
public class CollectionDemo {
public static void main(String[] args) {
Collection c = new ArrayList();
System.out.println(c.add(12));
c.add(45);
c.add(67);
c.add(79);
System.out.println(c);
System.out.println(c.contains(67));
}}
Example 2:
import java.util.ArrayList;
import java.util.Collection;
public class CollectionDemo {
public static void main(String[] args) {
Collection c = new ArrayList();
System.out.println(c.add(12));
c.add(45);
c.add(67);
c.add(79);
System.out.println(c);
System.out.println(c.contains(60));
}}
6)containsAll();
Example 1:
package collectioInterfaceMethods;
import java.util.ArrayList;
import java.util.Collection;
public class CollectionDemo {
public static void main(String[] args) {
Collection c = new ArrayList();
System.out.println(c.add(12));
c.add(45);
c.add(67);
c.add(79);
System.out.println(c);
Collection c1 = new ArrayList();
c1.add(45);
c1.add(67);
c1.add(89);
System.out.println(c.addAll(c1));
System.out.println(c);
System.out.println(c.containsAll(c1));
}
}
Example 2;
package collectioInterfaceMethods;
import java.util.ArrayList;
import java.util.Collection;
public class CollectionDemo {
public static void main(String[] args) {
Collection c = new ArrayList();
System.out.println(c.add(12));
c.add(45);
c.add(67);
c.add(79);
System.out.println(c);
Collection c1 = new ArrayList();
c1.add(45);
c1.add(67);
c1.add(89);
System.out.println(c.addAll(c1));
System.out.println(c);
c.remove(89);
System.out.println(c.containsAll(c1));
}
}
7)size();
package collectioInterfaceMethods;
import java.util.ArrayList;
import java.util.Collection;
public class CollectionDemo {
public static void main(String[] args) {
Collection c = new ArrayList();
System.out.println(c.add(12));
c.add(45);
c.add(67);
c.add(79);
System.out.println(c);
System.out.println(c.size());
}
}
8)isEmplty();
Example 1:
package collectioInterfaceMethods;
import java.util.ArrayList;
import java.util.Collection;
public class CollectionDemo {
public static void main(String[] args) {
Collection c = new ArrayList();
System.out.println(c.add(12));
c.add(45);
c.add(67);
c.add(79);
System.out.println(c);
System.out.println(c.isEmpty());
}
}
Example 2:
package collectioInterfaceMethods;
import java.util.ArrayList;
import java.util.Collection;
public class CollectionDemo {
public static void main(String[] args) {
Collection c = new ArrayList();
System.out.println(c.isEmpty());
}
}
09) clear();
package collectioInterfaceMethods;
import java.util.ArrayList;
import java.util.Collection;
public class CollectionDemo {
public static void main(String[] args) {
Collection c = new ArrayList();
System.out.println(c.add(12));
c.add(45);
c.add(67);
c.add(79);
System.out.println(c);
c.clear();
System.out.println(c);
}
}
10)equals();
Example 1:
package collectioInterfaceMethods;
import java.util.ArrayList;
import java.util.Collection;
public class CollectionDemo {
public static void main(String[] args) {
Collection c = new ArrayList();
System.out.println(c.add(12));
c.add(45);
c.add(67);
c.add(79);
System.out.println(c);
Collection c1 = new ArrayList();
c1.add(45);
c1.add(67);
c1.add(89);
System.out.println(c1);
System.out.println(c.equals(c1));
}
}
Example :
package collectioInterfaceMethods;
import java.util.ArrayList;
import java.util.Collection;
public class CollectionDemo {
public static void main(String[] args) {
Collection c = new ArrayList();
c.add(45);
c.add(67);
c.add(89);
System.out.println(c);
Collection c1 = new ArrayList();
c1.add(45);
c1.add(67);
c1.add(89);
System.out.println(c1);
System.out.println(c.equals(c1));
}
}
11)toArray();
package collectioInterfaceMethods;
import java.util.ArrayList;
import java.util.Collection;
public class CollectionDemo {
public static void main(String[] args) {
Collection c = new ArrayList();
System.out.println(c.add(12));
c.add(45);
c.add(67);
c.add(79);
System.out.println(c);
Object[] array = c.toArray();
for (Object arr : array) {
System.out.println(arr);
}
}
}
