if(jText.getText==" "){

}
//it will not Work & a Information is come up that "Comparing String using == ,!=".
So,what I do for this code please give me answer of this Question in java.

lets say s0 ans s1 too String
wrting an instruction like this:
if(s0==s1)
this instruction compares the adress of too object of type java.lang.String s= and s1.
You have to use the equals method or equalsIgnoreCase method as follow:
if("".equals(jText.getText)){

}

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