Answer / ravikiran(aptech mumbai)

E & PI are constants in java

What is update method and when it is called?

2 Answers   TCS,

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What is the catch or declare rule for method declarations?

1 Answers  

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How java uses the string and stringbuffer classes?

0 Answers  

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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

0 Answers   Google,

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What is the meaning of immutable regarding string?

0 Answers  

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Given: 1. package test; 2. 3. class Target { 4. public String name = “hello”; 5. } What can directly access and change the value of the variable name? 1 any class 2 only the Target class 3 any class in the test package 4 any class that extends Target

7 Answers   Infosys, WW,

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what are upcasting and downcasting?

5 Answers  

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Describe OOP in java?

2 Answers   Syntel,

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Explain your academic project?

2 Answers   Accenture, Levonsys, SDF, TCS, Tech Mahindra,

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If a method is declared as protected, where may the method be accessed?

0 Answers  

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What is the purpose of format function?

0 Answers  

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why we import both packages java.awt.*; and java.awt.event.*; as java.awt.*; can import all classes na. then what is the need of importing java.awt.event.*; ?

3 Answers  

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