To implement topological sorting in Java, one can use the depth-first search (DFS) algorithm. First, create a graph representation using adjacency lists or matrices. Then, perform a DFS traversal on the graph, keeping track of visited nodes and their finishing times. Finally, sort the nodes based on their finishing times to get the topological order. This approach ensures that the nodes are visited in the correct order based on their dependencies. **

Topological refers to the properties of a space that are preserved under continuous deformations, such as stretching or bending, without tearing or gluing. It focuses on the intrinsic properties of a space, such as connectivity and continuity. On the other hand, topographic refers to the physical features or surface characteristics of a particular area, such as mountains, valleys, and rivers. It is concerned with the external, observable attributes of a space rather than its abstract, mathematical properties. In summary, topological relates to the abstract structure of a space, while topographic relates to its physical features. **

Pink Floyd became iconic and famous due to their innovative approach to music, incorporating elements of psychedelic rock, progressive rock, and concept albums. Their thought-provoking lyrics, complex compositions, and groundbreaking use of technology in their live performances set them apart from other bands of their time. Additionally, their album "The Dark Side of the Moon" became a massive commercial success, solidifying their place in music history. Overall, Pink Floyd's unique sound, visual aesthetics, and willingness to push boundaries helped them achieve legendary status in the music industry. **

One of the most famous German celebrities worldwide is Heidi Klum. She is a supermodel, television personality, and businesswoman who has achieved international fame through her work in the fashion industry and as the host of the reality TV show "Project Runway." Klum's success and recognition have made her one of the most well-known German celebrities around the world. **

Glamorous professions are those that are associated with fame, wealth, and luxury. They often involve working in the entertainment industry, such as acting, modeling, or music, as well as high-profile careers like fashion design, professional sports, or luxury real estate. These professions are often seen as glamorous due to the public attention, high salaries, and opportunities for travel and extravagant lifestyles. However, it's important to note that the reality of these professions may not always match the glamorous image portrayed in the media. **

I have not personally met any famous person or celebrity. **

As an AI, I do not have personal experiences or the ability to meet people. However, I can provide information or answer questions about famous people or celebrities if you would like. **

Iconic refers to something that is widely recognized and representative of a particular time, place, or culture. It is often used to describe things that are considered highly influential, memorable, or symbolic. An iconic item or person is one that has achieved a legendary status and is easily identifiable or associated with a specific idea or concept. **