机械工业出版社的《jsp2.0动态网站开发实例指南》的源代码

				
				
				
				
				JSP EL Operators
				
				
					
				    
					    EL Expression
					    Result
					  
					  
					  	\${20 + 3}
					  	${20 + 3}
					  
					  
					  	\${20 - 3}
					  	${20 - 3}
					  
					  
					  	\${20 * 3}
					  	${20 * 3}
					  
					  
					    \${20 / 3}
					    ${20 /3}
					  
					  
					    \${20 mod 3}
					    ${20 mod 3}
					  
					  
					    \${5==5}
					    ${5==5}
					  
					  
					    \${5!=5}
					    ${5!=5}
					  
					  	  
					    \${5					    ${5					  
					  	  
					    \${5 gt 5}
					    ${5 gt 5}
					  
					  	  
					    \${5 le 5}
					    ${5 le 5}
					  
					  
					    \${5 ge 5}
					    ${5 ge 5}
					  
					  
					    \${ 5==5 && 6==7}
					    ${ 5==5 && 6==7}
					  
					  
					    \${ 5==5 || 6==7}
					    ${ 5==5 || 6==7}
					  
					  
					    \${ not (5!=6)}
					    ${ not (5!=6)}
					  
					  
					    \${empty StringNull}
					    ${empty StringNull}
					  	  
				    
				      \${(1==2) ? 3 : 4}
				      ${(1==2) ? 3 : 4}