Java Nested If condition

Question

I need to have nested if condition but i see my code has the same logic for the else portion as well.

Syntax

if(outer_condition){
    if(inner_condition){

    }
    else{
        employee.setCompany("ABC");
        employee.setAddress("DEF");
    }
}
else{
    employee.setCompany("ABC");
    employee.setAddress("DEF");
}

Both Else portion has to execute the same logic, is there a way to avoid this and make single Else condition ?

Thanks

Make it a single if condition by joining both conditions with an && operator. — Codebender
– Codebender, Commented Jul 7, 2015 at 5:23
use if-else-if ladder or join conditions by using && operator. — CoderNeji
– CoderNeji, Commented Jul 7, 2015 at 5:23

Davide Lorenzo MARINO · Accepted Answer · 2015-07-07 05:25:47Z

5

You can combine both conditions with && operator.

   if (condition1 && condition2) {
      // If both conditions code
   } else {
        employee.setCompany("ABC");
        employee.setAddress("DEF");
   }

Note If the code of the if statement is absent as it seams from your code is better to replace it with

if (!condition1 || !condition2) {
    employee.setCompany("ABC");
    employee.setAddress("DEF");
}

answered Jul 7, 2015 at 5:25

Davide Lorenzo MARINO

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Comments

CoderNeji · Accepted Answer · 2015-07-07 05:28:14Z

2

if(condition) // condition_1
    {

        if(condition) // condition_2
            {
                // your code 1
            }
        else
            {
               // your code 2
            }
    }
    else
    {
        // your code 2
    }

Change the above code to this...

 if (condition_1 && condition_2) {
     // your code 1
   } else {
      // your code 2
   }

answered Jul 7, 2015 at 5:28

CoderNeji

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Comments

Sandeep Kaul · Accepted Answer · 2015-07-07 05:29:36Z

0

Let's say if you define your first condition as condition1 and other as condition2, you could use this:

if (condition1 && condition2) {
  ifBlockCode();
} else {
   elseBlockCode();
}

public void elseBlockCode() {
    employee.setCompany("ABC");
    employee.setAddress("DEF");
}

public void ifBlockCode() {
    // Your logic can go here.
}

The && used here is the logical and operator. Similarly, there are logical or, not, etc operators. You could read about those online.

answered Jul 7, 2015 at 5:29

Sandeep Kaul

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Comments

Curious · Accepted Answer · 2015-07-07 05:41:03Z

0

 if(condition1){
    if(condition2){
       //no code here
    }
    else{
       codesnippet1;
    }
}
else{
    codesnippet1; //same as snippet encountered above
}

Cases :

Case1. condition1 true and condition2 true -> //no code here

Case2. condition1 true and condition2 false -> //codesnippet1

Case3. condition1 false and condition2 true -> //codesnippet1

Case4. condition1 false and condition1 false-> //codesnippet1

So only if both conditions are true code doesn't execute codesnippet1

Hence you can simplify as

if(condition1 && condition2 )
{

}
else
{
   codesnippet1;
}

answered Jul 7, 2015 at 5:41

Curious

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