import java.util.ArrayList;
import java.util.List;
public class SearchList {
/**
* param args
*/
public static void main(String[] args) {
List list = new ArrayList();
list.add(3);
list.add(3);
list.add(1);
System.out.println(\"Search element 3 in list [3,3,1] :\"
+ search(list, 3));
System.out.println(\"Search element 5 in list [3,3,1] :\"
+ search(list, 5));
}
/**
* method to find the index of element in the list
* param list
* param element
* return
*/
public static int search(List list, Object element) {
int index = -1;
if (list == null || element == null)
throw new NullPointerException();
else {
int searchElement = (int) element;
for (int i = 0; i < list.size(); i++) {
int number = (int) list.get(i);
if (number == searchElement) {
index = i;
}
}
}
return index;
}
}
OUTPUT:
Search element 3 in list [3,3,1] :1
Search element 5 in list [3,3,1] :-1
Solution
import java.util.ArrayList;
import java.util.List;
public class SearchList {
/**
* param args
*/
public static void main(String[] args) {
List list = new ArrayList();
list.add(3);
list.add(3);
list.add(1);
System.out.println(\"Search element 3 in list [3,3,1] :\"
+ search(list, 3));
System.out.println(\"Search element 5 in list [3,3,1] :\"
+ search(list, 5));
}
/**
* method to find the index of element in the list
* param list
* param element
* return
*/
public static int search(List list, Object element) {
int index = -1;
if (list == null || element == null)
throw new NullPointerException();
else {
int searchElement = (int) element;
for (int i = 0; i < list.size(); i++) {
int number = (int) list.get(i);
if (number == searchElement) {
index = i;
}
}
}
return index;
}
}
OUTPUT:
Search element 3 in list [3,3,1] :1
Search element 5 in list [3,3,1] :-1.
import java.util.ArrayList; import java.util.List;public class S.pdf
1. import java.util.ArrayList;
import java.util.List;
public class SearchList {
/**
* param args
*/
public static void main(String[] args) {
List list = new ArrayList();
list.add(3);
list.add(3);
list.add(1);
System.out.println("Search element 3 in list [3,3,1] :"
+ search(list, 3));
System.out.println("Search element 5 in list [3,3,1] :"
+ search(list, 5));
}
/**
* method to find the index of element in the list
* param list
* param element
* return
*/
public static int search(List list, Object element) {
int index = -1;
if (list == null || element == null)
throw new NullPointerException();
else {
int searchElement = (int) element;
for (int i = 0; i < list.size(); i++) {
int number = (int) list.get(i);
if (number == searchElement) {
index = i;
}
}
}
2. return index;
}
}
OUTPUT:
Search element 3 in list [3,3,1] :1
Search element 5 in list [3,3,1] :-1
Solution
import java.util.ArrayList;
import java.util.List;
public class SearchList {
/**
* param args
*/
public static void main(String[] args) {
List list = new ArrayList();
list.add(3);
list.add(3);
list.add(1);
System.out.println("Search element 3 in list [3,3,1] :"
+ search(list, 3));
System.out.println("Search element 5 in list [3,3,1] :"
+ search(list, 5));
}
/**
* method to find the index of element in the list
* param list
* param element
* return
*/
public static int search(List list, Object element) {
int index = -1;
if (list == null || element == null)
throw new NullPointerException();
else {
3. int searchElement = (int) element;
for (int i = 0; i < list.size(); i++) {
int number = (int) list.get(i);
if (number == searchElement) {
index = i;
}
}
}
return index;
}
}
OUTPUT:
Search element 3 in list [3,3,1] :1
Search element 5 in list [3,3,1] :-1
![import java.util.ArrayList;
import java.util.List;
public class SearchList {
/**
* param args
*/
public static void main(String[] args) {
List list = new ArrayList();
list.add(3);
list.add(3);
list.add(1);
System.out.println("Search element 3 in list [3,3,1] :"
+ search(list, 3));
System.out.println("Search element 5 in list [3,3,1] :"
+ search(list, 5));
}
/**
* method to find the index of element in the list
* param list
* param element
* return
*/
public static int search(List list, Object element) {
int index = -1;
if (list == null || element == null)
throw new NullPointerException();
else {
int searchElement = (int) element;
for (int i = 0; i < list.size(); i++) {
int number = (int) list.get(i);
if (number == searchElement) {
index = i;
}
}
}](https://image.slidesharecdn.com/importjava-230413054407-c2482518/85/import-javautilarraylist-import-javautillistpublic-class-spdf-1-320.jpg)
![return index;
}
}
OUTPUT:
Search element 3 in list [3,3,1] :1
Search element 5 in list [3,3,1] :-1
Solution
import java.util.ArrayList;
import java.util.List;
public class SearchList {
/**
* param args
*/
public static void main(String[] args) {
List list = new ArrayList();
list.add(3);
list.add(3);
list.add(1);
System.out.println("Search element 3 in list [3,3,1] :"
+ search(list, 3));
System.out.println("Search element 5 in list [3,3,1] :"
+ search(list, 5));
}
/**
* method to find the index of element in the list
* param list
* param element
* return
*/
public static int search(List list, Object element) {
int index = -1;
if (list == null || element == null)
throw new NullPointerException();
else {](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)