打印实用类
package com.scnulh.util;
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import java.util.Arrays;
import java.util.Collection;
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public class PPrint {
??? public static String pformat(Collection<?> c)
??? {
?????? if(c.size()==0)
?????? {
?????????? return "[]";
?????? }
?????? StringBuilder result=new StringBuilder("[");
?????? for(Object elem:c)
?????? {
?????????? if(c.size()!=1)
?????????? {
????????????? result.append("\n ");
?????????? }
?????????? result.append(elem);
?????? }
?????? if(c.size()!=1)
?????? {
?????????? result.append("\n");
?????? }
?????? result.append("]");
?????? return result.toString();
??? }
???
??? public static void pprint(Collection<?> c)
??? {
?????? System.out.println(pformat(c));
??? }
???
??? public static void pprint(Object[] c)
??? {
?????? System.out.println(pformat(Arrays.asList(c)));
??? }
}
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