Break Statement
Break statement is one of the several control statements Java provide to control the flow of the program. As the name says, Break Statement is generally used to break the loop of switch statement.
Please note that Java does not provide Go To statement like other programming languages e.g. C, C++.
Break statement has two forms labeled and unlabeled.
Unlabeled Break statement
This form of break statement is used to jump out of the loop when specific condition occurs. This form of break statement is also used in switch statement.
For example,
for(int var =0; var < 5 ; var++){
System.out.println("Var is : " + var);
if(var == 3)
break;
}
In above break statement example, control will jump out of loop when var becomes 3.
Labeled Break Statement
The unlabeled version of the break statement is used when we want to jump out of a single loop or single case in switch statement. Labeled version of the break statement is used when we want to jump out of nested or multiple loops.
For example,
Outer:
for(int var1=0; var1 < 5 ; var1++)
{
for(int var2 = 1; var2 < 5; var2++)
{
System.out.println("var1:" + var1 + ", var2:" + var2);
if(var1 == 3)
break Outer;
}
}
Label is so useful
What if it was not labelled. Would it break from the inner loop or from all the loops ?
for(int var1=0; var1 < 5 ; var1++)
{
for(int var2 = 1; var2 < 5; var2++)
{
System.out.println(“var1:” + var1 + “, var2:” + var2);
if(var1 == 3)
break ;
}
}
It would break just a current loop (the inner one).
if (action.getActionStatus() == ActionStatus.Completed) {
boolean bFind = false;
String strKey=””;
theScenario.getLogger().debug(“[ActionCallback:raiseAlarmValidationCallback] – “+id+” – Alarm ID – ActionStatus.Completed ******!!!!!!!!!!” );
for (Iterator<actionresponseitem> it = action
.getListActionResponseItem().iterator(); it.hasNext();) {
ActionResponseItem tempResponse = it.next();
List<com.hp.uca.mediation.action.jaxws.actionresponseitem.output.entry> listEntry = tempResponse
.getOutput().getEntry();
for (Iterator<com.hp.uca.mediation.action.jaxws.actionresponseitem.output.entry> itEntry = listEntry
.iterator(); itEntry.hasNext();) {
com.hp.uca.mediation.action.jaxws.ActionResponseItem.Output.Entry entry = itEntry
.next();
theScenario.getLogger().debug(“[ActionCallback:raiseAlarmValidationCallback] – “+id+” – Key=” + entry.getKey() + “, value=”
+ entry.getValue());
strKey = entry.getKey();
if (strKey.equalsIgnoreCase(“EntitySpec”)) {
strRet = entry.getValue();
theScenario.getLogger().debug(“[ActionCallback:raiseAlarmValidationCallback] – “+id+” – Alarm ID – ” + strRet);
bFind = true;
break;
}
}
if (bFind)
break;
}
if(strKey != null) {
Flag flag=new Flag(strRet.toLowerCase(), “CIMD_SIA_PROCESS:” , true);
theScenario.getSession().insert(flag);
}
} else{
theScenario.getLogger().debug(“[ActionCallback:raiseAlarmValidationCallback] : Failure – “+id+” – Alarm ID – ” + action.getActionStatus().toString()+ ” : “+
action.getActionStatusExplanation().toString()+” : “+ action.getActionSubStatus().toString());
}
how to break 1st if loop