/Java/Java define a generic class that produces

Java define a generic class that produces

List<String> list1 = new ArrayList<String>(); // java 7 ? List<String> list1 = new ArrayList<>(); 
list1.add("abc");
//list1.add(new Integer(5)); //compiler error

for(String str : list1){
     //no type casting needed, avoids ClassCastException
}

-1

Source: journaldev.com

Java define a generic class that produces

List list = new ArrayList();
list.add("abc");
list.add(new Integer(5)); //OK

for(Object obj : list){
	//type casting leading to ClassCastException at runtime
    String str=(String) obj; 
}

-2

Source: journaldev.com

Similar codes

38 votes187 views4 answers
Math.random java between 1 and 10
Java
0 vote200 views1 answer
How to create an entry in java
Java
0 vote230 views1 answer
How to know what a valid name for a variable is in java
Java
1 vote228 views1 answer
Java download 64-bit
Java
1 vote201 views2 answers
Use findviewbyid in fragment
Java
0 vote200 views1 answer
AmazonS3ClientBuilder
Java
0 vote191 views1 answer
EXPECTTIONS JAVA
Java
30 votes219 views6 answers
Reverse string in java
Java
3 votes211 views1 answer
Spigot custom join message
Java
20 votes192 views6 answers
Convert char to string java
Java