String a="ab-efg";
String a1=a.substring(a.lastIndexOf("-")+1);
String a2=a.substring(0,a.indexOf("-"));
System.out.println(a1);//efg
System.out.println(a2);//ab
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String a="ab-efg";
String a1=a.substring(a.lastIndexOf("-")+1);
String a2=a.substring(0,a.indexOf("-"));
System.out.println(a1);//efg
System.out.println(a2);//ab
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