What is the diff. in reading the input by BufferedReader and by DataInputStream?And what data type do they return?
Latest Answer: using DataSources We can Connect to DataBase ...
Latest Answer: Ping is based on ICMP. Java has no support for this. They have UDP and TCP sockets. In Java 5 there is an isAlive call that says if a host is alive or not, but is not a ping. You could do the same thing with a TCP socket to a known open port.If you ...
ArrayIndexOutOfBoundsException – attempt to access an out of range array index. int x [ ] = new int [ 5 ]; int y = -2; // 1 x [ y ] = 2; // 2 x [ 2 ] = 2; // 3 x [ 5 ] = 5; // 4 System.out.println( x[0] ); // 5 a) Statement 1 and 2 are false b) Statement 2 and 3 are false c) Statement 2 and 4 are false d) Statement 2 and 5 are false
Int [ ] [ ] scores = { { 1, 2, 3} , { 2, 4, 6}, { 3, 6, 9} };how many objects in heap after the above stmt ?
Latest Answer: here only one object is created.it's store in heap area.but there is 5 reference is created,which is store in stack area. ...
Latest Answer: The is no default value for the local variable.But the array decalred within the method will have default values. ...
How j2ee is growing fast.Is companies recruiting only struts and advanced j2ee's/trend is changing in j2ee. Do Companies want Ajax programmers in j2ee too. bye
Latest Answer: when we create awt program at some machine that support jve then create byte code after complilation and these byte code are tranfer to slote machine that support jve that corresponding assambaly code are generating and execute the awt ...
Latest Answer: hi size of integer wrapper class will be find out using size of opreator by passing the object or instance of the class as a parameter ...
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