Radio Button in Salesforce

To create Radio button using apex, use <apex:selectRadio>

Example:

Visual force page:

<apex:selectRadio value="{!searchCategory}" >
    <apex:selectOption itemValue="Member" itemlabel="Member"/>
    <apex:selectOption itemValue="Blog" itemlabel="Blog"/>
    <apex:selectOption itemValue="Photo" itemlabel="Photo"/>
</apex:selectRadio>


Apex:

  public String searchCategory;

  public String getsearchCategory()
 {
  return searchCategory;
 }

 public void setsearchCategory(String searchCategory)
 {
  this.searchCategory = searchCategory;
 }