publicclassExerc01{publicstaticvoid main(String args[]){ boolean b =true;System.out.println(b); }}
publicclassExerc02{publicstaticvoid main(String args[]){char c =‘d‘;System.out.println(c);}}publicclassExerc03{publicstaticvoid main(String args[]){ byte b =‘0‘;short a =‘0‘;int i =‘0‘;long l =‘0‘;float f =‘0‘;double d =‘0‘;}}原文：http://www.cnblogs.com/arroneve/p/5815345.html