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Java error incompatible types
Posted on: November 3, 2008 at 12:00 AM

Java Error incompatible types occurred when a compiler found a variable and expression whose data type is not compatible to perform an operation on them.

Java error incompatible types

Java Error incompatible types occurred when a compiler found a variable and expression whose data type is not compatible to perform an operation on them.

Understand with an Example

In this Tutorial we want to describe you a code that help you in understanding the java error incompatible type. For this we have a class name Incompatobletype.Inside the main method we declare a variable name roll num and sec int and char data type. Checklist condition is used to evaluate the expression. The assignment operator = is used to show you an incompatible type error in java rather than using = = in assignment operator. The Java Compiler show an error in the assignment operator printed by System.out.println.

Incompatitabletype.java




public class 



					>Icompatobletype {



  public static void main(String[] args) {



  int rollnum = 76;

  char sec;

  if (rollnum = 90) {

  sec = 'A';

  } else {

  sec = 'B';

  }

  System.out.println("Section with this rollno is:  = " + sec);

  }

}

Output

Compiling 1 source file to /home/girish/NetBeansProjects/errors/build/classes
/home/girish/NetBeansProjects/errors/src/Icompatobletype.java:8: incompatible types
found : int
required: boolean
if (rollnum = 90) {
1 error
BUILD FAILED (total time: 0 seconds)

To resolve this error give if (rollnum = =90)instead of if (rollnum = 90)

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