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Whatwillbewrittentothestandardoutputwhenthefollowingprogramisrun?()publicclassQ03e4{publicstaticvoidmain(Stringargs[]){Stringspace="";Stringcomposite=space+"hello"+space+space;composite.concat("world");Stringtrimmed=composite.trim();System.out.println(trimmed.length());}}
A.5
B.6
C.7
D.12
E.13
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