WHICH IS A VALID DECLARATIONS OF A STRING
9.Which is a valid declarations of a String?
A.String s1 = null;
B. String s2 = 'null';
C. String s3 = (String) 'abc';
D.String s4 = (String) '\ufeed';
9.Which is a valid declarations of a String?
A.String s1 = null;
B. String s2 = 'null';
C. String s3 = (String) 'abc';
D.String s4 = (String) '\ufeed';