http://www.tutorialspoint.com/java/util/scanner_nextboolean.htm

Copyrighttutorialspoint.
comJAVA.
UTIL.
SCANNER.
NEXTBOOLEANJAVA.
UTIL.
SCANNER.
NEXTBOOLEANMETHODMETHODDescriptionThejava.
util.
Scanner.
nextBooleanmethodscansthenexttokenoftheinputintoabooleanvalueandreturnsthatvalue.
ThismethodwillthrowInputMismatchExceptionifthenexttokencannotbetranslatedintoavalidbooleanvalue.
Ifthematchissuccessful,thescanneradvancespasttheinputthatmatched.
DeclarationFollowingisthedeclarationforjava.
util.
Scanner.
nextBooleanmethodpublicbooleannextBoolean()ParametersNAReturnValueThismethodreturnsthebooleanscannedfromtheinputExceptionInputMismatchException--ifthenexttokenisnotavalidbooleanNoSuchElementException--iftheinputisexhaustedIllegalStateException--ifthisscannerisclosedExampleThefollowingexampleshowstheusageofjava.
util.
Scanner.
nextBooleanmethod.
packagecom.
tutorialspoint;importjava.
util.
*;publicclassScannerDemo{publicstaticvoidmain(String[]args){Strings="HellotrueWorld!
3+3.
0=6";//createanewscannerwiththespecifiedStringObjectScannerscanner=newScanner(s);//findthenextbooleantokenandprintit//loopforthewholescannerwhile(scanner.
hasNext()){//ifthenextisboolean,printfoundandthebooleanif(scanner.
hasNextBoolean()){System.
out.
println("Found:"+scanner.
nextBoolean());}//ifabooleanisnotfound,print"NotFound"andthetokenSystem.
out.
println("NotFound:"+scanner.
next());}//closethescannerscanner.
close();}}Letuscompileandruntheaboveprogram,thiswillproducethefollowingresult:NotFound:HelloFound:trueNotFound:World!
NotFound:3NotFound:+NotFound:3.
0NotFound:=NotFound:6Loading[MathJax]/jax/output/HTML-CSS/fonts/TeX/fontdata.
js