What is array length in java?
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How do you reverse a string in java?
How we can execute any code even before main method?
how a programmer confirms that the data submitted has been succesfully inserted into the database(either oracle or my sql).. How a programmer confirm if there is any problem with the program he wrote for insertion... ANS:--- >executeupdate method is having boolean return type, if anything goes wrong in data insertion or data updation, it would return false. otherwise, if it successfully inserts data into the database, it would return true NOW HOW TO I CHECK IN MY DURING EXECUTION WHETHER IT RETURNS TRUE OR FALSE... WELL IT WILL DISPLAY ANY MESSAGE OR NOT
What is an object?s lock? Give name of object?s that have locks?
What are the differences between wait() and sleep()?
Difference between Array and vector?
What is the meaning of I ++ in java?
Write a program in java to create a doubly linked list containing n nodes.
why the primitive data type have classes?
Write down program for following scenario. Use java coding standard. You have array list with some words in it..we will call it as dictionary….and you have a arbitrary string containing some chars in it. You have to go through each word of dictionary and find out if that word can be constructed with the help of chars from arbitrary string given. If you find the word print it else print none.
what is an objects lock and which objects have locks? : Java thread
Is there any tag in htm to upload and download files?